Home / 118,621.26-177,949.71-38,633.13

Finding the Fourth Proportional to 118,621.26, 177,949.71 and 38,633.13

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Solution

The fourth proportional to 118,621.26, 177,949.71 and 38,633.13 is: 57,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,621.26 : 177,949.71 = 38,633.13 : x
  2. Step 2: Convert to fraction form
    118,621.26/177,949.71 = 38,633.13/x
  3. Step 3: Cross multiply
    118,621.26x = 177,949.71 × 38,633.13
  4. Step 4: Simplify right side
    118,621.26x = 6,874,754,279.89
  5. Step 5: Solve for x
    x = 6,874,754,279.89/118,621.26
  6. Step 6: Final answer
    x = 57,955.50

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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.