Home / 75,046.10-112,569.13-35,581.68

Finding the Fourth Proportional to 75,046.10, 112,569.13 and 35,581.68

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Solution

The fourth proportional to 75,046.10, 112,569.13 and 35,581.68 is: 53,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,046.10 : 112,569.13 = 35,581.68 : x
  2. Step 2: Convert to fraction form
    75,046.10/112,569.13 = 35,581.68/x
  3. Step 3: Cross multiply
    75,046.10x = 112,569.13 × 35,581.68
  4. Step 4: Simplify right side
    75,046.10x = 4,005,398,806.02
  5. Step 5: Solve for x
    x = 4,005,398,806.02/75,046.10
  6. Step 6: Final answer
    x = 53,372.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.