Home / 97,711.31-134,832.20-54,688.57

Finding the Fourth Proportional to 97,711.31, 134,832.20 and 54,688.57

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Solution

The fourth proportional to 97,711.31, 134,832.20 and 54,688.57 is: 75,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,711.31 : 134,832.20 = 54,688.57 : x
  2. Step 2: Convert to fraction form
    97,711.31/134,832.20 = 54,688.57/x
  3. Step 3: Cross multiply
    97,711.31x = 134,832.20 × 54,688.57
  4. Step 4: Simplify right side
    97,711.31x = 7,373,779,597.43
  5. Step 5: Solve for x
    x = 7,373,779,597.43/97,711.31
  6. Step 6: Final answer
    x = 75,464.95

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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.