Home / 113,013.18-155,959.11-62,713.02

Finding the Fourth Proportional to 113,013.18, 155,959.11 and 62,713.02

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Solution

The fourth proportional to 113,013.18, 155,959.11 and 62,713.02 is: 86,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013.18 : 155,959.11 = 62,713.02 : x
  2. Step 2: Convert to fraction form
    113,013.18/155,959.11 = 62,713.02/x
  3. Step 3: Cross multiply
    113,013.18x = 155,959.11 × 62,713.02
  4. Step 4: Simplify right side
    113,013.18x = 9,780,666,784.61
  5. Step 5: Solve for x
    x = 9,780,666,784.61/113,013.18
  6. Step 6: Final answer
    x = 86,544.48

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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.