Home / 115,074.40-172,628.62-58,946.26

Finding the Fourth Proportional to 115,074.40, 172,628.62 and 58,946.26

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Solution

The fourth proportional to 115,074.40, 172,628.62 and 58,946.26 is: 88,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074.40 : 172,628.62 = 58,946.26 : x
  2. Step 2: Convert to fraction form
    115,074.40/172,628.62 = 58,946.26/x
  3. Step 3: Cross multiply
    115,074.40x = 172,628.62 × 58,946.26
  4. Step 4: Simplify right side
    115,074.40x = 10,175,811,517.96
  5. Step 5: Solve for x
    x = 10,175,811,517.96/115,074.40
  6. Step 6: Final answer
    x = 88,428.11

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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.