Home / 91,763.10-137,528.55-52,342.38

Finding the Fourth Proportional to 91,763.10, 137,528.55 and 52,342.38

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Solution

The fourth proportional to 91,763.10, 137,528.55 and 52,342.38 is: 78,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,763.10 : 137,528.55 = 52,342.38 : x
  2. Step 2: Convert to fraction form
    91,763.10/137,528.55 = 52,342.38/x
  3. Step 3: Cross multiply
    91,763.10x = 137,528.55 × 52,342.38
  4. Step 4: Simplify right side
    91,763.10x = 7,198,571,624.95
  5. Step 5: Solve for x
    x = 7,198,571,624.95/91,763.10
  6. Step 6: Final answer
    x = 78,447.35

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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.