Home / 86,256.84-119,034.20-48,531.12

Finding the Fourth Proportional to 86,256.84, 119,034.20 and 48,531.12

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Solution

The fourth proportional to 86,256.84, 119,034.20 and 48,531.12 is: 66,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.84 : 119,034.20 = 48,531.12 : x
  2. Step 2: Convert to fraction form
    86,256.84/119,034.20 = 48,531.12/x
  3. Step 3: Cross multiply
    86,256.84x = 119,034.20 × 48,531.12
  4. Step 4: Simplify right side
    86,256.84x = 5,776,863,044.30
  5. Step 5: Solve for x
    x = 5,776,863,044.30/86,256.84
  6. Step 6: Final answer
    x = 66,972.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.