Home / 78,283.76-117,429.73-59,593.11

Finding the Fourth Proportional to 78,283.76, 117,429.73 and 59,593.11

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Solution

The fourth proportional to 78,283.76, 117,429.73 and 59,593.11 is: 89,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,283.76 : 117,429.73 = 59,593.11 : x
  2. Step 2: Convert to fraction form
    78,283.76/117,429.73 = 59,593.11/x
  3. Step 3: Cross multiply
    78,283.76x = 117,429.73 × 59,593.11
  4. Step 4: Simplify right side
    78,283.76x = 6,998,002,230.01
  5. Step 5: Solve for x
    x = 6,998,002,230.01/78,283.76
  6. Step 6: Final answer
    x = 89,392.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.