Home / 113,806.74-157,062.24-62,829.60

Finding the Fourth Proportional to 113,806.74, 157,062.24 and 62,829.60

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Solution

The fourth proportional to 113,806.74, 157,062.24 and 62,829.60 is: 86,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,806.74 : 157,062.24 = 62,829.60 : x
  2. Step 2: Convert to fraction form
    113,806.74/157,062.24 = 62,829.60/x
  3. Step 3: Cross multiply
    113,806.74x = 157,062.24 × 62,829.60
  4. Step 4: Simplify right side
    113,806.74x = 9,868,157,714.30
  5. Step 5: Solve for x
    x = 9,868,157,714.30/113,806.74
  6. Step 6: Final answer
    x = 86,709.78

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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.