Home / 83,355.86-115,028.25-47,557.46

Finding the Fourth Proportional to 83,355.86, 115,028.25 and 47,557.46

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Solution

The fourth proportional to 83,355.86, 115,028.25 and 47,557.46 is: 65,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,355.86 : 115,028.25 = 47,557.46 : x
  2. Step 2: Convert to fraction form
    83,355.86/115,028.25 = 47,557.46/x
  3. Step 3: Cross multiply
    83,355.86x = 115,028.25 × 47,557.46
  4. Step 4: Simplify right side
    83,355.86x = 5,470,451,398.25
  5. Step 5: Solve for x
    x = 5,470,451,398.25/83,355.86
  6. Step 6: Final answer
    x = 65,627.68

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1.5x scale

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.