Home / 90,385.10-124,727.99-50,097.86

Finding the Fourth Proportional to 90,385.10, 124,727.99 and 50,097.86

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Solution

The fourth proportional to 90,385.10, 124,727.99 and 50,097.86 is: 69,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,385.10 : 124,727.99 = 50,097.86 : x
  2. Step 2: Convert to fraction form
    90,385.10/124,727.99 = 50,097.86/x
  3. Step 3: Cross multiply
    90,385.10x = 124,727.99 × 50,097.86
  4. Step 4: Simplify right side
    90,385.10x = 6,248,604,506.97
  5. Step 5: Solve for x
    x = 6,248,604,506.97/90,385.10
  6. Step 6: Final answer
    x = 69,133.13

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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.