Home / 110,982.28-153,120.65-67,916.88

Finding the Fourth Proportional to 110,982.28, 153,120.65 and 67,916.88

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Solution

The fourth proportional to 110,982.28, 153,120.65 and 67,916.88 is: 93,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,982.28 : 153,120.65 = 67,916.88 : x
  2. Step 2: Convert to fraction form
    110,982.28/153,120.65 = 67,916.88/x
  3. Step 3: Cross multiply
    110,982.28x = 153,120.65 × 67,916.88
  4. Step 4: Simplify right side
    110,982.28x = 10,399,476,045.97
  5. Step 5: Solve for x
    x = 10,399,476,045.97/110,982.28
  6. Step 6: Final answer
    x = 93,703.93

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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.