Home / 118,487.09-177,761.76-42,593.33

Finding the Fourth Proportional to 118,487.09, 177,761.76 and 42,593.33

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Solution

The fourth proportional to 118,487.09, 177,761.76 and 42,593.33 is: 63,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,487.09 : 177,761.76 = 42,593.33 : x
  2. Step 2: Convert to fraction form
    118,487.09/177,761.76 = 42,593.33/x
  3. Step 3: Cross multiply
    118,487.09x = 177,761.76 × 42,593.33
  4. Step 4: Simplify right side
    118,487.09x = 7,571,465,305.06
  5. Step 5: Solve for x
    x = 7,571,465,305.06/118,487.09
  6. Step 6: Final answer
    x = 63,901.18

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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.