Home / 88,017.44-121,464.09-47,731.19

Finding the Fourth Proportional to 88,017.44, 121,464.09 and 47,731.19

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Solution

The fourth proportional to 88,017.44, 121,464.09 and 47,731.19 is: 65,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,017.44 : 121,464.09 = 47,731.19 : x
  2. Step 2: Convert to fraction form
    88,017.44/121,464.09 = 47,731.19/x
  3. Step 3: Cross multiply
    88,017.44x = 121,464.09 × 47,731.19
  4. Step 4: Simplify right side
    88,017.44x = 5,797,625,557.97
  5. Step 5: Solve for x
    x = 5,797,625,557.97/88,017.44
  6. Step 6: Final answer
    x = 65,869.05

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.