Home / 82,387.20-113,736.48-52,203.84

Finding the Fourth Proportional to 82,387.20, 113,736.48 and 52,203.84

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Solution

The fourth proportional to 82,387.20, 113,736.48 and 52,203.84 is: 72,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,387.20 : 113,736.48 = 52,203.84 : x
  2. Step 2: Convert to fraction form
    82,387.20/113,736.48 = 52,203.84/x
  3. Step 3: Cross multiply
    82,387.20x = 113,736.48 × 52,203.84
  4. Step 4: Simplify right side
    82,387.20x = 5,937,481,004.08
  5. Step 5: Solve for x
    x = 5,937,481,004.08/82,387.20
  6. Step 6: Final answer
    x = 72,068.00

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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.