Home / 75,084.12-112,681.67-60,469.43

Finding the Fourth Proportional to 75,084.12, 112,681.67 and 60,469.43

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Solution

The fourth proportional to 75,084.12, 112,681.67 and 60,469.43 is: 90,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.12 : 112,681.67 = 60,469.43 : x
  2. Step 2: Convert to fraction form
    75,084.12/112,681.67 = 60,469.43/x
  3. Step 3: Cross multiply
    75,084.12x = 112,681.67 × 60,469.43
  4. Step 4: Simplify right side
    75,084.12x = 6,813,795,490.59
  5. Step 5: Solve for x
    x = 6,813,795,490.59/75,084.12
  6. Step 6: Final answer
    x = 90,748.82

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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.