Home / 115,022.87-172,569.56-58,902.39

Finding the Fourth Proportional to 115,022.87, 172,569.56 and 58,902.39

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Solution

The fourth proportional to 115,022.87, 172,569.56 and 58,902.39 is: 88,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,022.87 : 172,569.56 = 58,902.39 : x
  2. Step 2: Convert to fraction form
    115,022.87/172,569.56 = 58,902.39/x
  3. Step 3: Cross multiply
    115,022.87x = 172,569.56 × 58,902.39
  4. Step 4: Simplify right side
    115,022.87x = 10,164,759,230.74
  5. Step 5: Solve for x
    x = 10,164,759,230.74/115,022.87
  6. Step 6: Final answer
    x = 88,371.64

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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.