Home / 88,149.56-121,646.87-47,863.32

Finding the Fourth Proportional to 88,149.56, 121,646.87 and 47,863.32

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Solution

The fourth proportional to 88,149.56, 121,646.87 and 47,863.32 is: 66,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,149.56 : 121,646.87 = 47,863.32 : x
  2. Step 2: Convert to fraction form
    88,149.56/121,646.87 = 47,863.32/x
  3. Step 3: Cross multiply
    88,149.56x = 121,646.87 × 47,863.32
  4. Step 4: Simplify right side
    88,149.56x = 5,822,422,826.49
  5. Step 5: Solve for x
    x = 5,822,422,826.49/88,149.56
  6. Step 6: Final answer
    x = 66,051.64

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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.