Home / 89,925.76-124,104.42-49,647.28

Finding the Fourth Proportional to 89,925.76, 124,104.42 and 49,647.28

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Solution

The fourth proportional to 89,925.76, 124,104.42 and 49,647.28 is: 68,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.76 : 124,104.42 = 49,647.28 : x
  2. Step 2: Convert to fraction form
    89,925.76/124,104.42 = 49,647.28/x
  3. Step 3: Cross multiply
    89,925.76x = 124,104.42 × 49,647.28
  4. Step 4: Simplify right side
    89,925.76x = 6,161,446,888.98
  5. Step 5: Solve for x
    x = 6,161,446,888.98/89,925.76
  6. Step 6: Final answer
    x = 68,517.04

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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.