Home / 86,376.68-129,634.14-44,835.56

Finding the Fourth Proportional to 86,376.68, 129,634.14 and 44,835.56

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Solution

The fourth proportional to 86,376.68, 129,634.14 and 44,835.56 is: 67,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,376.68 : 129,634.14 = 44,835.56 : x
  2. Step 2: Convert to fraction form
    86,376.68/129,634.14 = 44,835.56/x
  3. Step 3: Cross multiply
    86,376.68x = 129,634.14 × 44,835.56
  4. Step 4: Simplify right side
    86,376.68x = 5,812,219,262.02
  5. Step 5: Solve for x
    x = 5,812,219,262.02/86,376.68
  6. Step 6: Final answer
    x = 67,289.22

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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.