Home / 117,397.68-161,969.40-67,061.04

Finding the Fourth Proportional to 117,397.68, 161,969.40 and 67,061.04

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Solution

The fourth proportional to 117,397.68, 161,969.40 and 67,061.04 is: 92,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,397.68 : 161,969.40 = 67,061.04 : x
  2. Step 2: Convert to fraction form
    117,397.68/161,969.40 = 67,061.04/x
  3. Step 3: Cross multiply
    117,397.68x = 161,969.40 × 67,061.04
  4. Step 4: Simplify right side
    117,397.68x = 10,861,836,412.18
  5. Step 5: Solve for x
    x = 10,861,836,412.18/117,397.68
  6. Step 6: Final answer
    x = 92,521.73

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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.