Home / 113,932.50-157,240.22-68,633.36

Finding the Fourth Proportional to 113,932.50, 157,240.22 and 68,633.36

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Solution

The fourth proportional to 113,932.50, 157,240.22 and 68,633.36 is: 94,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,932.50 : 157,240.22 = 68,633.36 : x
  2. Step 2: Convert to fraction form
    113,932.50/157,240.22 = 68,633.36/x
  3. Step 3: Cross multiply
    113,932.50x = 157,240.22 × 68,633.36
  4. Step 4: Simplify right side
    113,932.50x = 10,791,923,496.37
  5. Step 5: Solve for x
    x = 10,791,923,496.37/113,932.50
  6. Step 6: Final answer
    x = 94,722.08

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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.