Home / 52,454.65-72,387.42-28,581.33

Finding the Fourth Proportional to 52,454.65, 72,387.42 and 28,581.33

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Solution

The fourth proportional to 52,454.65, 72,387.42 and 28,581.33 is: 39,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.65 : 72,387.42 = 28,581.33 : x
  2. Step 2: Convert to fraction form
    52,454.65/72,387.42 = 28,581.33/x
  3. Step 3: Cross multiply
    52,454.65x = 72,387.42 × 28,581.33
  4. Step 4: Simplify right side
    52,454.65x = 2,068,928,376.93
  5. Step 5: Solve for x
    x = 2,068,928,376.93/52,454.65
  6. Step 6: Final answer
    x = 39,442.23

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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.