Home / 96,372.11-132,931.80-77,297.66

Finding the Fourth Proportional to 96,372.11, 132,931.80 and 77,297.66

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Solution

The fourth proportional to 96,372.11, 132,931.80 and 77,297.66 is: 106,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,372.11 : 132,931.80 = 77,297.66 : x
  2. Step 2: Convert to fraction form
    96,372.11/132,931.80 = 77,297.66/x
  3. Step 3: Cross multiply
    96,372.11x = 132,931.80 × 77,297.66
  4. Step 4: Simplify right side
    96,372.11x = 10,275,316,414.93
  5. Step 5: Solve for x
    x = 10,275,316,414.93/96,372.11
  6. Step 6: Final answer
    x = 106,621.27

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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.