Home / 90,372.60-124,714.20-50,088.96

Finding the Fourth Proportional to 90,372.60, 124,714.20 and 50,088.96

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Solution

The fourth proportional to 90,372.60, 124,714.20 and 50,088.96 is: 69,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.60 : 124,714.20 = 50,088.96 : x
  2. Step 2: Convert to fraction form
    90,372.60/124,714.20 = 50,088.96/x
  3. Step 3: Cross multiply
    90,372.60x = 124,714.20 × 50,088.96
  4. Step 4: Simplify right side
    90,372.60x = 6,246,804,575.23
  5. Step 5: Solve for x
    x = 6,246,804,575.23/90,372.60
  6. Step 6: Final answer
    x = 69,122.77

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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.