Home / 115,076.40-172,631.62-58,948.26

Finding the Fourth Proportional to 115,076.40, 172,631.62 and 58,948.26

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Solution

The fourth proportional to 115,076.40, 172,631.62 and 58,948.26 is: 88,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,076.40 : 172,631.62 = 58,948.26 : x
  2. Step 2: Convert to fraction form
    115,076.40/172,631.62 = 58,948.26/x
  3. Step 3: Cross multiply
    115,076.40x = 172,631.62 × 58,948.26
  4. Step 4: Simplify right side
    115,076.40x = 10,176,333,619.98
  5. Step 5: Solve for x
    x = 10,176,333,619.98/115,076.40
  6. Step 6: Final answer
    x = 88,431.11

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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.