Home / 60,508.08-90,827.46-45,876.78

Finding the Fourth Proportional to 60,508.08, 90,827.46 and 45,876.78

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Solution

The fourth proportional to 60,508.08, 90,827.46 and 45,876.78 is: 68,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,508.08 : 90,827.46 = 45,876.78 : x
  2. Step 2: Convert to fraction form
    60,508.08/90,827.46 = 45,876.78/x
  3. Step 3: Cross multiply
    60,508.08x = 90,827.46 × 45,876.78
  4. Step 4: Simplify right side
    60,508.08x = 4,166,871,400.38
  5. Step 5: Solve for x
    x = 4,166,871,400.38/60,508.08
  6. Step 6: Final answer
    x = 68,864.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.