Home / 117,553.60-162,225.85-66,564.95

Finding the Fourth Proportional to 117,553.60, 162,225.85 and 66,564.95

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Solution

The fourth proportional to 117,553.60, 162,225.85 and 66,564.95 is: 91,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.60 : 162,225.85 = 66,564.95 : x
  2. Step 2: Convert to fraction form
    117,553.60/162,225.85 = 66,564.95/x
  3. Step 3: Cross multiply
    117,553.60x = 162,225.85 × 66,564.95
  4. Step 4: Simplify right side
    117,553.60x = 10,798,555,593.96
  5. Step 5: Solve for x
    x = 10,798,555,593.96/117,553.60
  6. Step 6: Final answer
    x = 91,860.70

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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.