Home / 75,082.32-103,691.16-64,962.18

Finding the Fourth Proportional to 75,082.32, 103,691.16 and 64,962.18

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Solution

The fourth proportional to 75,082.32, 103,691.16 and 64,962.18 is: 89,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.32 : 103,691.16 = 64,962.18 : x
  2. Step 2: Convert to fraction form
    75,082.32/103,691.16 = 64,962.18/x
  3. Step 3: Cross multiply
    75,082.32x = 103,691.16 × 64,962.18
  4. Step 4: Simplify right side
    75,082.32x = 6,736,003,800.33
  5. Step 5: Solve for x
    x = 6,736,003,800.33/75,082.32
  6. Step 6: Final answer
    x = 89,714.91

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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.