Home / 125,175.39-187,763.22-31,681.14

Finding the Fourth Proportional to 125,175.39, 187,763.22 and 31,681.14

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Solution

The fourth proportional to 125,175.39, 187,763.22 and 31,681.14 is: 47,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,175.39 : 187,763.22 = 31,681.14 : x
  2. Step 2: Convert to fraction form
    125,175.39/187,763.22 = 31,681.14/x
  3. Step 3: Cross multiply
    125,175.39x = 187,763.22 × 31,681.14
  4. Step 4: Simplify right side
    125,175.39x = 5,948,552,859.67
  5. Step 5: Solve for x
    x = 5,948,552,859.67/125,175.39
  6. Step 6: Final answer
    x = 47,521.74

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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.