Home / 63,149.16-87,146.56-34,854.86

Finding the Fourth Proportional to 63,149.16, 87,146.56 and 34,854.86

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Solution

The fourth proportional to 63,149.16, 87,146.56 and 34,854.86 is: 48,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,149.16 : 87,146.56 = 34,854.86 : x
  2. Step 2: Convert to fraction form
    63,149.16/87,146.56 = 34,854.86/x
  3. Step 3: Cross multiply
    63,149.16x = 87,146.56 × 34,854.86
  4. Step 4: Simplify right side
    63,149.16x = 3,037,481,148.28
  5. Step 5: Solve for x
    x = 3,037,481,148.28/63,149.16
  6. Step 6: Final answer
    x = 48,100.10

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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.