Home / 61,931.69-85,382.91-49,227.04

Finding the Fourth Proportional to 61,931.69, 85,382.91 and 49,227.04

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Solution

The fourth proportional to 61,931.69, 85,382.91 and 49,227.04 is: 67,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,931.69 : 85,382.91 = 49,227.04 : x
  2. Step 2: Convert to fraction form
    61,931.69/85,382.91 = 49,227.04/x
  3. Step 3: Cross multiply
    61,931.69x = 85,382.91 × 49,227.04
  4. Step 4: Simplify right side
    61,931.69x = 4,203,148,032.62
  5. Step 5: Solve for x
    x = 4,203,148,032.62/61,931.69
  6. Step 6: Final answer
    x = 67,867.49

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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.