Home / 124,729.14-187,156.89-54,609.06

Finding the Fourth Proportional to 124,729.14, 187,156.89 and 54,609.06

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Solution

The fourth proportional to 124,729.14, 187,156.89 and 54,609.06 is: 81,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,729.14 : 187,156.89 = 54,609.06 : x
  2. Step 2: Convert to fraction form
    124,729.14/187,156.89 = 54,609.06/x
  3. Step 3: Cross multiply
    124,729.14x = 187,156.89 × 54,609.06
  4. Step 4: Simplify right side
    124,729.14x = 10,220,461,835.42
  5. Step 5: Solve for x
    x = 10,220,461,835.42/124,729.14
  6. Step 6: Final answer
    x = 81,941.25

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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.