Home / 64,747.24-89,344.75-47,760.66

Finding the Fourth Proportional to 64,747.24, 89,344.75 and 47,760.66

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Solution

The fourth proportional to 64,747.24, 89,344.75 and 47,760.66 is: 65,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747.24 : 89,344.75 = 47,760.66 : x
  2. Step 2: Convert to fraction form
    64,747.24/89,344.75 = 47,760.66/x
  3. Step 3: Cross multiply
    64,747.24x = 89,344.75 × 47,760.66
  4. Step 4: Simplify right side
    64,747.24x = 4,267,164,227.54
  5. Step 5: Solve for x
    x = 4,267,164,227.54/64,747.24
  6. Step 6: Final answer
    x = 65,904.96

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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.