Home / 89,332.61-123,280.34-49,050

Finding the Fourth Proportional to 89,332.61, 123,280.34 and 49,050

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Solution

The fourth proportional to 89,332.61, 123,280.34 and 49,050 is: 67,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332.61 : 123,280.34 = 49,050 : x
  2. Step 2: Convert to fraction form
    89,332.61/123,280.34 = 49,050/x
  3. Step 3: Cross multiply
    89,332.61x = 123,280.34 × 49,050
  4. Step 4: Simplify right side
    89,332.61x = 6,046,900,431.75
  5. Step 5: Solve for x
    x = 6,046,900,431.75/89,332.61
  6. Step 6: Final answer
    x = 67,689.74

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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.