Home / 97,755.42-134,871.13-54,728.59

Finding the Fourth Proportional to 97,755.42, 134,871.13 and 54,728.59

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Solution

The fourth proportional to 97,755.42, 134,871.13 and 54,728.59 is: 75,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,755.42 : 134,871.13 = 54,728.59 : x
  2. Step 2: Convert to fraction form
    97,755.42/134,871.13 = 54,728.59/x
  3. Step 3: Cross multiply
    97,755.42x = 134,871.13 × 54,728.59
  4. Step 4: Simplify right side
    97,755.42x = 7,381,306,302.61
  5. Step 5: Solve for x
    x = 7,381,306,302.61/97,755.42
  6. Step 6: Final answer
    x = 75,507.90

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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.