Home / 113,763.96-157,004.19-62,781.48

Finding the Fourth Proportional to 113,763.96, 157,004.19 and 62,781.48

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Solution

The fourth proportional to 113,763.96, 157,004.19 and 62,781.48 is: 86,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763.96 : 157,004.19 = 62,781.48 : x
  2. Step 2: Convert to fraction form
    113,763.96/157,004.19 = 62,781.48/x
  3. Step 3: Cross multiply
    113,763.96x = 157,004.19 × 62,781.48
  4. Step 4: Simplify right side
    113,763.96x = 9,856,955,414.40
  5. Step 5: Solve for x
    x = 9,856,955,414.40/113,763.96
  6. Step 6: Final answer
    x = 86,643.92

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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.