Home / 118,631.04-177,996.16-52,036.80

Finding the Fourth Proportional to 118,631.04, 177,996.16 and 52,036.80

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Solution

The fourth proportional to 118,631.04, 177,996.16 and 52,036.80 is: 78,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,631.04 : 177,996.16 = 52,036.80 : x
  2. Step 2: Convert to fraction form
    118,631.04/177,996.16 = 52,036.80/x
  3. Step 3: Cross multiply
    118,631.04x = 177,996.16 × 52,036.80
  4. Step 4: Simplify right side
    118,631.04x = 9,262,350,578.69
  5. Step 5: Solve for x
    x = 9,262,350,578.69/118,631.04
  6. Step 6: Final answer
    x = 78,076.96

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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.