Home / 118,700.59-177,812.40-55,433.47

Finding the Fourth Proportional to 118,700.59, 177,812.40 and 55,433.47

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Solution

The fourth proportional to 118,700.59, 177,812.40 and 55,433.47 is: 83,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,700.59 : 177,812.40 = 55,433.47 : x
  2. Step 2: Convert to fraction form
    118,700.59/177,812.40 = 55,433.47/x
  3. Step 3: Cross multiply
    118,700.59x = 177,812.40 × 55,433.47
  4. Step 4: Simplify right side
    118,700.59x = 9,856,757,451.97
  5. Step 5: Solve for x
    x = 9,856,757,451.97/118,700.59
  6. Step 6: Final answer
    x = 83,038.83

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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.