Home / 52,454.78-72,386.68-28,581.66

Finding the Fourth Proportional to 52,454.78, 72,386.68 and 28,581.66

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Solution

The fourth proportional to 52,454.78, 72,386.68 and 28,581.66 is: 39,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.78 : 72,386.68 = 28,581.66 : x
  2. Step 2: Convert to fraction form
    52,454.78/72,386.68 = 28,581.66/x
  3. Step 3: Cross multiply
    52,454.78x = 72,386.68 × 28,581.66
  4. Step 4: Simplify right side
    52,454.78x = 2,068,931,476.29
  5. Step 5: Solve for x
    x = 2,068,931,476.29/52,454.78
  6. Step 6: Final answer
    x = 39,442.19

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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.