Home / 89,670.04-123,745.50-49,385.04

Finding the Fourth Proportional to 89,670.04, 123,745.50 and 49,385.04

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Solution

The fourth proportional to 89,670.04, 123,745.50 and 49,385.04 is: 68,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,670.04 : 123,745.50 = 49,385.04 : x
  2. Step 2: Convert to fraction form
    89,670.04/123,745.50 = 49,385.04/x
  3. Step 3: Cross multiply
    89,670.04x = 123,745.50 × 49,385.04
  4. Step 4: Simplify right side
    89,670.04x = 6,111,176,467.32
  5. Step 5: Solve for x
    x = 6,111,176,467.32/89,670.04
  6. Step 6: Final answer
    x = 68,151.82

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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.