Home / 88,112.13-121,594.87-50,387.19

Finding the Fourth Proportional to 88,112.13, 121,594.87 and 50,387.19

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Solution

The fourth proportional to 88,112.13, 121,594.87 and 50,387.19 is: 69,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.13 : 121,594.87 = 50,387.19 : x
  2. Step 2: Convert to fraction form
    88,112.13/121,594.87 = 50,387.19/x
  3. Step 3: Cross multiply
    88,112.13x = 121,594.87 × 50,387.19
  4. Step 4: Simplify right side
    88,112.13x = 6,126,823,817.72
  5. Step 5: Solve for x
    x = 6,126,823,817.72/88,112.13
  6. Step 6: Final answer
    x = 69,534.40

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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.