Home / 88,068.45-132,045.30-57,991.71

Finding the Fourth Proportional to 88,068.45, 132,045.30 and 57,991.71

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Solution

The fourth proportional to 88,068.45, 132,045.30 and 57,991.71 is: 86,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068.45 : 132,045.30 = 57,991.71 : x
  2. Step 2: Convert to fraction form
    88,068.45/132,045.30 = 57,991.71/x
  3. Step 3: Cross multiply
    88,068.45x = 132,045.30 × 57,991.71
  4. Step 4: Simplify right side
    88,068.45x = 7,657,532,744.46
  5. Step 5: Solve for x
    x = 7,657,532,744.46/88,068.45
  6. Step 6: Final answer
    x = 86,949.78

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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.