Home / 97,650.40-134,737.68-57,370.72

Finding the Fourth Proportional to 97,650.40, 134,737.68 and 57,370.72

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Solution

The fourth proportional to 97,650.40, 134,737.68 and 57,370.72 is: 79,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,650.40 : 134,737.68 = 57,370.72 : x
  2. Step 2: Convert to fraction form
    97,650.40/134,737.68 = 57,370.72/x
  3. Step 3: Cross multiply
    97,650.40x = 134,737.68 × 57,370.72
  4. Step 4: Simplify right side
    97,650.40x = 7,729,997,712.73
  5. Step 5: Solve for x
    x = 7,729,997,712.73/97,650.40
  6. Step 6: Final answer
    x = 79,159.92

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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.