Home / 124,961.50-187,428.48-31,467.28

Finding the Fourth Proportional to 124,961.50, 187,428.48 and 31,467.28

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Solution

The fourth proportional to 124,961.50, 187,428.48 and 31,467.28 is: 47,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,961.50 : 187,428.48 = 31,467.28 : x
  2. Step 2: Convert to fraction form
    124,961.50/187,428.48 = 31,467.28/x
  3. Step 3: Cross multiply
    124,961.50x = 187,428.48 × 31,467.28
  4. Step 4: Simplify right side
    124,961.50x = 5,897,864,460.13
  5. Step 5: Solve for x
    x = 5,897,864,460.13/124,961.50
  6. Step 6: Final answer
    x = 47,197.45

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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.