Home / 90,372.92-124,714.65-50,089.29

Finding the Fourth Proportional to 90,372.92, 124,714.65 and 50,089.29

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Solution

The fourth proportional to 90,372.92, 124,714.65 and 50,089.29 is: 69,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.92 : 124,714.65 = 50,089.29 : x
  2. Step 2: Convert to fraction form
    90,372.92/124,714.65 = 50,089.29/x
  3. Step 3: Cross multiply
    90,372.92x = 124,714.65 × 50,089.29
  4. Step 4: Simplify right side
    90,372.92x = 6,246,868,271.10
  5. Step 5: Solve for x
    x = 6,246,868,271.10/90,372.92
  6. Step 6: Final answer
    x = 69,123.23

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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.