Home / 124,511.92-171,819.44-70,789.52

Finding the Fourth Proportional to 124,511.92, 171,819.44 and 70,789.52

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Solution

The fourth proportional to 124,511.92, 171,819.44 and 70,789.52 is: 97,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,511.92 : 171,819.44 = 70,789.52 : x
  2. Step 2: Convert to fraction form
    124,511.92/171,819.44 = 70,789.52/x
  3. Step 3: Cross multiply
    124,511.92x = 171,819.44 × 70,789.52
  4. Step 4: Simplify right side
    124,511.92x = 12,163,015,684.27
  5. Step 5: Solve for x
    x = 12,163,015,684.27/124,511.92
  6. Step 6: Final answer
    x = 97,685.55

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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.