Home / 89,774.46-123,894.28-49,488.12

Finding the Fourth Proportional to 89,774.46, 123,894.28 and 49,488.12

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Solution

The fourth proportional to 89,774.46, 123,894.28 and 49,488.12 is: 68,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,774.46 : 123,894.28 = 49,488.12 : x
  2. Step 2: Convert to fraction form
    89,774.46/123,894.28 = 49,488.12/x
  3. Step 3: Cross multiply
    89,774.46x = 123,894.28 × 49,488.12
  4. Step 4: Simplify right side
    89,774.46x = 6,131,294,995.95
  5. Step 5: Solve for x
    x = 6,131,294,995.95/89,774.46
  6. Step 6: Final answer
    x = 68,296.65

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1.5x scale

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.