Home / 125,115.39-187,693.65-40,851.27

Finding the Fourth Proportional to 125,115.39, 187,693.65 and 40,851.27

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Solution

The fourth proportional to 125,115.39, 187,693.65 and 40,851.27 is: 61,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,115.39 : 187,693.65 = 40,851.27 : x
  2. Step 2: Convert to fraction form
    125,115.39/187,693.65 = 40,851.27/x
  3. Step 3: Cross multiply
    125,115.39x = 187,693.65 × 40,851.27
  4. Step 4: Simplify right side
    125,115.39x = 7,667,523,973.44
  5. Step 5: Solve for x
    x = 7,667,523,973.44/125,115.39
  6. Step 6: Final answer
    x = 61,283.62

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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.