Home / 118,443.38-177,677.01-38,478.02

Finding the Fourth Proportional to 118,443.38, 177,677.01 and 38,478.02

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Solution

The fourth proportional to 118,443.38, 177,677.01 and 38,478.02 is: 57,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,443.38 : 177,677.01 = 38,478.02 : x
  2. Step 2: Convert to fraction form
    118,443.38/177,677.01 = 38,478.02/x
  3. Step 3: Cross multiply
    118,443.38x = 177,677.01 × 38,478.02
  4. Step 4: Simplify right side
    118,443.38x = 6,836,658,655.94
  5. Step 5: Solve for x
    x = 6,836,658,655.94/118,443.38
  6. Step 6: Final answer
    x = 57,720.90

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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.