Home / 58,787.25-81,139.17-36,145.62

Finding the Fourth Proportional to 58,787.25, 81,139.17 and 36,145.62

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Solution

The fourth proportional to 58,787.25, 81,139.17 and 36,145.62 is: 49,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,787.25 : 81,139.17 = 36,145.62 : x
  2. Step 2: Convert to fraction form
    58,787.25/81,139.17 = 36,145.62/x
  3. Step 3: Cross multiply
    58,787.25x = 81,139.17 × 36,145.62
  4. Step 4: Simplify right side
    58,787.25x = 2,932,825,605.94
  5. Step 5: Solve for x
    x = 2,932,825,605.94/58,787.25
  6. Step 6: Final answer
    x = 49,888.80

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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.