Home / 88,539.53-122,228.84-56,306.57

Finding the Fourth Proportional to 88,539.53, 122,228.84 and 56,306.57

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Solution

The fourth proportional to 88,539.53, 122,228.84 and 56,306.57 is: 77,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,539.53 : 122,228.84 = 56,306.57 : x
  2. Step 2: Convert to fraction form
    88,539.53/122,228.84 = 56,306.57/x
  3. Step 3: Cross multiply
    88,539.53x = 122,228.84 × 56,306.57
  4. Step 4: Simplify right side
    88,539.53x = 6,882,286,265.10
  5. Step 5: Solve for x
    x = 6,882,286,265.10/88,539.53
  6. Step 6: Final answer
    x = 77,731.23

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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.