Home / 58,006.97-86,838.21-31,631.75

Finding the Fourth Proportional to 58,006.97, 86,838.21 and 31,631.75

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Solution

The fourth proportional to 58,006.97, 86,838.21 and 31,631.75 is: 47,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,006.97 : 86,838.21 = 31,631.75 : x
  2. Step 2: Convert to fraction form
    58,006.97/86,838.21 = 31,631.75/x
  3. Step 3: Cross multiply
    58,006.97x = 86,838.21 × 31,631.75
  4. Step 4: Simplify right side
    58,006.97x = 2,746,844,114.98
  5. Step 5: Solve for x
    x = 2,746,844,114.98/58,006.97
  6. Step 6: Final answer
    x = 47,353.69

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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.