Home / 97,729.20-134,851.95-54,706.46

Finding the Fourth Proportional to 97,729.20, 134,851.95 and 54,706.46

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Solution

The fourth proportional to 97,729.20, 134,851.95 and 54,706.46 is: 75,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,729.20 : 134,851.95 = 54,706.46 : x
  2. Step 2: Convert to fraction form
    97,729.20/134,851.95 = 54,706.46/x
  3. Step 3: Cross multiply
    97,729.20x = 134,851.95 × 54,706.46
  4. Step 4: Simplify right side
    97,729.20x = 7,377,272,134.34
  5. Step 5: Solve for x
    x = 7,377,272,134.34/97,729.20
  6. Step 6: Final answer
    x = 75,486.88

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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.