Home / 52,382.18-72,287.62-28,508.82

Finding the Fourth Proportional to 52,382.18, 72,287.62 and 28,508.82

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Solution

The fourth proportional to 52,382.18, 72,287.62 and 28,508.82 is: 39,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,382.18 : 72,287.62 = 28,508.82 : x
  2. Step 2: Convert to fraction form
    52,382.18/72,287.62 = 28,508.82/x
  3. Step 3: Cross multiply
    52,382.18x = 72,287.62 × 28,508.82
  4. Step 4: Simplify right side
    52,382.18x = 2,060,834,746.81
  5. Step 5: Solve for x
    x = 2,060,834,746.81/52,382.18
  6. Step 6: Final answer
    x = 39,342.29

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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.