Home / 86,079.67-129,126.94-23,750.17

Finding the Fourth Proportional to 86,079.67, 129,126.94 and 23,750.17

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Solution

The fourth proportional to 86,079.67, 129,126.94 and 23,750.17 is: 35,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,079.67 : 129,126.94 = 23,750.17 : x
  2. Step 2: Convert to fraction form
    86,079.67/129,126.94 = 23,750.17/x
  3. Step 3: Cross multiply
    86,079.67x = 129,126.94 × 23,750.17
  4. Step 4: Simplify right side
    86,079.67x = 3,066,786,394.39
  5. Step 5: Solve for x
    x = 3,066,786,394.39/86,079.67
  6. Step 6: Final answer
    x = 35,627.30

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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.