Home / 118,747.27-163,871.23-65,034.20

Finding the Fourth Proportional to 118,747.27, 163,871.23 and 65,034.20

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Solution

The fourth proportional to 118,747.27, 163,871.23 and 65,034.20 is: 89,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,747.27 : 163,871.23 = 65,034.20 : x
  2. Step 2: Convert to fraction form
    118,747.27/163,871.23 = 65,034.20/x
  3. Step 3: Cross multiply
    118,747.27x = 163,871.23 × 65,034.20
  4. Step 4: Simplify right side
    118,747.27x = 10,657,234,762.63
  5. Step 5: Solve for x
    x = 10,657,234,762.63/118,747.27
  6. Step 6: Final answer
    x = 89,747.20

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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.