Home / 113,675.06-156,868.14-62,687.72

Finding the Fourth Proportional to 113,675.06, 156,868.14 and 62,687.72

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Solution

The fourth proportional to 113,675.06, 156,868.14 and 62,687.72 is: 86,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,675.06 : 156,868.14 = 62,687.72 : x
  2. Step 2: Convert to fraction form
    113,675.06/156,868.14 = 62,687.72/x
  3. Step 3: Cross multiply
    113,675.06x = 156,868.14 × 62,687.72
  4. Step 4: Simplify right side
    113,675.06x = 9,833,706,664.49
  5. Step 5: Solve for x
    x = 9,833,706,664.49/113,675.06
  6. Step 6: Final answer
    x = 86,507.16

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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.