Home / 113,819.94-157,067.40-62,831.57

Finding the Fourth Proportional to 113,819.94, 157,067.40 and 62,831.57

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Solution

The fourth proportional to 113,819.94, 157,067.40 and 62,831.57 is: 86,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.94 : 157,067.40 = 62,831.57 : x
  2. Step 2: Convert to fraction form
    113,819.94/157,067.40 = 62,831.57/x
  3. Step 3: Cross multiply
    113,819.94x = 157,067.40 × 62,831.57
  4. Step 4: Simplify right side
    113,819.94x = 9,868,791,769.74
  5. Step 5: Solve for x
    x = 9,868,791,769.74/113,819.94
  6. Step 6: Final answer
    x = 86,705.30

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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.