Home / 125,242.88-187,875.32-31,748.63

Finding the Fourth Proportional to 125,242.88, 187,875.32 and 31,748.63

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Solution

The fourth proportional to 125,242.88, 187,875.32 and 31,748.63 is: 47,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,242.88 : 187,875.32 = 31,748.63 : x
  2. Step 2: Convert to fraction form
    125,242.88/187,875.32 = 31,748.63/x
  3. Step 3: Cross multiply
    125,242.88x = 187,875.32 × 31,748.63
  4. Step 4: Simplify right side
    125,242.88x = 5,964,782,922.69
  5. Step 5: Solve for x
    x = 5,964,782,922.69/125,242.88
  6. Step 6: Final answer
    x = 47,625.73

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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.