Home / 118,057.64-177,111.66-38,100.16

Finding the Fourth Proportional to 118,057.64, 177,111.66 and 38,100.16

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Solution

The fourth proportional to 118,057.64, 177,111.66 and 38,100.16 is: 57,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,057.64 : 177,111.66 = 38,100.16 : x
  2. Step 2: Convert to fraction form
    118,057.64/177,111.66 = 38,100.16/x
  3. Step 3: Cross multiply
    118,057.64x = 177,111.66 × 38,100.16
  4. Step 4: Simplify right side
    118,057.64x = 6,747,982,948.13
  5. Step 5: Solve for x
    x = 6,747,982,948.13/118,057.64
  6. Step 6: Final answer
    x = 57,158.38

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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.