Home / 90,279.91-124,575.66-52,039.01

Finding the Fourth Proportional to 90,279.91, 124,575.66 and 52,039.01

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Solution

The fourth proportional to 90,279.91, 124,575.66 and 52,039.01 is: 71,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,279.91 : 124,575.66 = 52,039.01 : x
  2. Step 2: Convert to fraction form
    90,279.91/124,575.66 = 52,039.01/x
  3. Step 3: Cross multiply
    90,279.91x = 124,575.66 × 52,039.01
  4. Step 4: Simplify right side
    90,279.91x = 6,482,794,016.50
  5. Step 5: Solve for x
    x = 6,482,794,016.50/90,279.91
  6. Step 6: Final answer
    x = 71,807.71

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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.