Home / 90,732.42-125,210.09-50,445.85

Finding the Fourth Proportional to 90,732.42, 125,210.09 and 50,445.85

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Solution

The fourth proportional to 90,732.42, 125,210.09 and 50,445.85 is: 69,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.42 : 125,210.09 = 50,445.85 : x
  2. Step 2: Convert to fraction form
    90,732.42/125,210.09 = 50,445.85/x
  3. Step 3: Cross multiply
    90,732.42x = 125,210.09 × 50,445.85
  4. Step 4: Simplify right side
    90,732.42x = 6,316,329,166.40
  5. Step 5: Solve for x
    x = 6,316,329,166.40/90,732.42
  6. Step 6: Final answer
    x = 69,614.91

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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.