Home / 61,637.76-85,147.20-49,046.40

Finding the Fourth Proportional to 61,637.76, 85,147.20 and 49,046.40

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Solution

The fourth proportional to 61,637.76, 85,147.20 and 49,046.40 is: 67,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,637.76 : 85,147.20 = 49,046.40 : x
  2. Step 2: Convert to fraction form
    61,637.76/85,147.20 = 49,046.40/x
  3. Step 3: Cross multiply
    61,637.76x = 85,147.20 × 49,046.40
  4. Step 4: Simplify right side
    61,637.76x = 4,176,163,630.08
  5. Step 5: Solve for x
    x = 4,176,163,630.08/61,637.76
  6. Step 6: Final answer
    x = 67,753.33

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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.