Home / 125,242.63-187,874.88-31,748.38

Finding the Fourth Proportional to 125,242.63, 187,874.88 and 31,748.38

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Solution

The fourth proportional to 125,242.63, 187,874.88 and 31,748.38 is: 47,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,242.63 : 187,874.88 = 31,748.38 : x
  2. Step 2: Convert to fraction form
    125,242.63/187,874.88 = 31,748.38/x
  3. Step 3: Cross multiply
    125,242.63x = 187,874.88 × 31,748.38
  4. Step 4: Simplify right side
    125,242.63x = 5,964,721,984.58
  5. Step 5: Solve for x
    x = 5,964,721,984.58/125,242.63
  6. Step 6: Final answer
    x = 47,625.34

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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.