Home / 89,621.28-123,675.93-49,335.17

Finding the Fourth Proportional to 89,621.28, 123,675.93 and 49,335.17

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Solution

The fourth proportional to 89,621.28, 123,675.93 and 49,335.17 is: 68,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,621.28 : 123,675.93 = 49,335.17 : x
  2. Step 2: Convert to fraction form
    89,621.28/123,675.93 = 49,335.17/x
  3. Step 3: Cross multiply
    89,621.28x = 123,675.93 × 49,335.17
  4. Step 4: Simplify right side
    89,621.28x = 6,101,572,413.08
  5. Step 5: Solve for x
    x = 6,101,572,413.08/89,621.28
  6. Step 6: Final answer
    x = 68,081.74

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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.