Home / 96,140.66-132,710.60-72,336.53

Finding the Fourth Proportional to 96,140.66, 132,710.60 and 72,336.53

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Solution

The fourth proportional to 96,140.66, 132,710.60 and 72,336.53 is: 99,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,140.66 : 132,710.60 = 72,336.53 : x
  2. Step 2: Convert to fraction form
    96,140.66/132,710.60 = 72,336.53/x
  3. Step 3: Cross multiply
    96,140.66x = 132,710.60 × 72,336.53
  4. Step 4: Simplify right side
    96,140.66x = 9,599,823,272.98
  5. Step 5: Solve for x
    x = 9,599,823,272.98/96,140.66
  6. Step 6: Final answer
    x = 99,851.86

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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.