Home / 102,671.36-141,688.80-60,260.48

Finding the Fourth Proportional to 102,671.36, 141,688.80 and 60,260.48

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Solution

The fourth proportional to 102,671.36, 141,688.80 and 60,260.48 is: 83,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,671.36 : 141,688.80 = 60,260.48 : x
  2. Step 2: Convert to fraction form
    102,671.36/141,688.80 = 60,260.48/x
  3. Step 3: Cross multiply
    102,671.36x = 141,688.80 × 60,260.48
  4. Step 4: Simplify right side
    102,671.36x = 8,538,235,098.62
  5. Step 5: Solve for x
    x = 8,538,235,098.62/102,671.36
  6. Step 6: Final answer
    x = 83,160.83

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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.