Home / 89,272.40-123,191.78-48,985.16

Finding the Fourth Proportional to 89,272.40, 123,191.78 and 48,985.16

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Solution

The fourth proportional to 89,272.40, 123,191.78 and 48,985.16 is: 67,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,272.40 : 123,191.78 = 48,985.16 : x
  2. Step 2: Convert to fraction form
    89,272.40/123,191.78 = 48,985.16/x
  3. Step 3: Cross multiply
    89,272.40x = 123,191.78 × 48,985.16
  4. Step 4: Simplify right side
    89,272.40x = 6,034,569,053.98
  5. Step 5: Solve for x
    x = 6,034,569,053.98/89,272.40
  6. Step 6: Final answer
    x = 67,597.25

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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.