Home / 117,066.75-161,552.11-63,351.76

Finding the Fourth Proportional to 117,066.75, 161,552.11 and 63,351.76

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Solution

The fourth proportional to 117,066.75, 161,552.11 and 63,351.76 is: 87,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,066.75 : 161,552.11 = 63,351.76 : x
  2. Step 2: Convert to fraction form
    117,066.75/161,552.11 = 63,351.76/x
  3. Step 3: Cross multiply
    117,066.75x = 161,552.11 × 63,351.76
  4. Step 4: Simplify right side
    117,066.75x = 10,234,610,500.21
  5. Step 5: Solve for x
    x = 10,234,610,500.21/117,066.75
  6. Step 6: Final answer
    x = 87,425.43

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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.