Home / 113,670.89-156,862.22-62,685.77

Finding the Fourth Proportional to 113,670.89, 156,862.22 and 62,685.77

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Solution

The fourth proportional to 113,670.89, 156,862.22 and 62,685.77 is: 86,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670.89 : 156,862.22 = 62,685.77 : x
  2. Step 2: Convert to fraction form
    113,670.89/156,862.22 = 62,685.77/x
  3. Step 3: Cross multiply
    113,670.89x = 156,862.22 × 62,685.77
  4. Step 4: Simplify right side
    113,670.89x = 9,833,028,770.17
  5. Step 5: Solve for x
    x = 9,833,028,770.17/113,670.89
  6. Step 6: Final answer
    x = 86,504.37

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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.