Home / 124,781.50-187,158.48-31,287.25

Finding the Fourth Proportional to 124,781.50, 187,158.48 and 31,287.25

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Solution

The fourth proportional to 124,781.50, 187,158.48 and 31,287.25 is: 46,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,781.50 : 187,158.48 = 31,287.25 : x
  2. Step 2: Convert to fraction form
    124,781.50/187,158.48 = 31,287.25/x
  3. Step 3: Cross multiply
    124,781.50x = 187,158.48 × 31,287.25
  4. Step 4: Simplify right side
    124,781.50x = 5,855,674,153.38
  5. Step 5: Solve for x
    x = 5,855,674,153.38/124,781.50
  6. Step 6: Final answer
    x = 46,927.42

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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.