Home / 71,708.64-98,960.34-39,444.66

Finding the Fourth Proportional to 71,708.64, 98,960.34 and 39,444.66

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Solution

The fourth proportional to 71,708.64, 98,960.34 and 39,444.66 is: 54,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,708.64 : 98,960.34 = 39,444.66 : x
  2. Step 2: Convert to fraction form
    71,708.64/98,960.34 = 39,444.66/x
  3. Step 3: Cross multiply
    71,708.64x = 98,960.34 × 39,444.66
  4. Step 4: Simplify right side
    71,708.64x = 3,903,456,964.78
  5. Step 5: Solve for x
    x = 3,903,456,964.78/71,708.64
  6. Step 6: Final answer
    x = 54,434.96

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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.