Home / 82,392.19-113,713.35-52,180.32

Finding the Fourth Proportional to 82,392.19, 113,713.35 and 52,180.32

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Solution

The fourth proportional to 82,392.19, 113,713.35 and 52,180.32 is: 72,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,392.19 : 113,713.35 = 52,180.32 : x
  2. Step 2: Convert to fraction form
    82,392.19/113,713.35 = 52,180.32/x
  3. Step 3: Cross multiply
    82,392.19x = 113,713.35 × 52,180.32
  4. Step 4: Simplify right side
    82,392.19x = 5,933,598,875.90
  5. Step 5: Solve for x
    x = 5,933,598,875.90/82,392.19
  6. Step 6: Final answer
    x = 72,016.52

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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.