Home / 102,041.92-140,951.68-70,155.52

Finding the Fourth Proportional to 102,041.92, 140,951.68 and 70,155.52

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Solution

The fourth proportional to 102,041.92, 140,951.68 and 70,155.52 is: 96,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,041.92 : 140,951.68 = 70,155.52 : x
  2. Step 2: Convert to fraction form
    102,041.92/140,951.68 = 70,155.52/x
  3. Step 3: Cross multiply
    102,041.92x = 140,951.68 × 70,155.52
  4. Step 4: Simplify right side
    102,041.92x = 9,888,538,405.27
  5. Step 5: Solve for x
    x = 9,888,538,405.27/102,041.92
  6. Step 6: Final answer
    x = 96,906.63

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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.