Home / 113,718.85-156,930.06-62,736.46

Finding the Fourth Proportional to 113,718.85, 156,930.06 and 62,736.46

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Solution

The fourth proportional to 113,718.85, 156,930.06 and 62,736.46 is: 86,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,718.85 : 156,930.06 = 62,736.46 : x
  2. Step 2: Convert to fraction form
    113,718.85/156,930.06 = 62,736.46/x
  3. Step 3: Cross multiply
    113,718.85x = 156,930.06 × 62,736.46
  4. Step 4: Simplify right side
    113,718.85x = 9,845,236,431.99
  5. Step 5: Solve for x
    x = 9,845,236,431.99/113,718.85
  6. Step 6: Final answer
    x = 86,575.24

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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.