Home / 86,042.87-129,064.03-22,869.35

Finding the Fourth Proportional to 86,042.87, 129,064.03 and 22,869.35

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Solution

The fourth proportional to 86,042.87, 129,064.03 and 22,869.35 is: 34,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,042.87 : 129,064.03 = 22,869.35 : x
  2. Step 2: Convert to fraction form
    86,042.87/129,064.03 = 22,869.35/x
  3. Step 3: Cross multiply
    86,042.87x = 129,064.03 × 22,869.35
  4. Step 4: Simplify right side
    86,042.87x = 2,951,610,474.48
  5. Step 5: Solve for x
    x = 2,951,610,474.48/86,042.87
  6. Step 6: Final answer
    x = 34,303.95

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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.