Home / 90,008.06-124,200.45-49,719.42

Finding the Fourth Proportional to 90,008.06, 124,200.45 and 49,719.42

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Solution

The fourth proportional to 90,008.06, 124,200.45 and 49,719.42 is: 68,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,008.06 : 124,200.45 = 49,719.42 : x
  2. Step 2: Convert to fraction form
    90,008.06/124,200.45 = 49,719.42/x
  3. Step 3: Cross multiply
    90,008.06x = 124,200.45 × 49,719.42
  4. Step 4: Simplify right side
    90,008.06x = 6,175,174,337.74
  5. Step 5: Solve for x
    x = 6,175,174,337.74/90,008.06
  6. Step 6: Final answer
    x = 68,606.91

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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.