Home / 89,675.30-123,750.39-49,392.83

Finding the Fourth Proportional to 89,675.30, 123,750.39 and 49,392.83

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Solution

The fourth proportional to 89,675.30, 123,750.39 and 49,392.83 is: 68,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.30 : 123,750.39 = 49,392.83 : x
  2. Step 2: Convert to fraction form
    89,675.30/123,750.39 = 49,392.83/x
  3. Step 3: Cross multiply
    89,675.30x = 123,750.39 × 49,392.83
  4. Step 4: Simplify right side
    89,675.30x = 6,112,381,356.95
  5. Step 5: Solve for x
    x = 6,112,381,356.95/89,675.30
  6. Step 6: Final answer
    x = 68,161.26

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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.