Home / 82,535.52-113,968.80-52,374.36

Finding the Fourth Proportional to 82,535.52, 113,968.80 and 52,374.36

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Solution

The fourth proportional to 82,535.52, 113,968.80 and 52,374.36 is: 72,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,535.52 : 113,968.80 = 52,374.36 : x
  2. Step 2: Convert to fraction form
    82,535.52/113,968.80 = 52,374.36/x
  3. Step 3: Cross multiply
    82,535.52x = 113,968.80 × 52,374.36
  4. Step 4: Simplify right side
    82,535.52x = 5,969,042,959.97
  5. Step 5: Solve for x
    x = 5,969,042,959.97/82,535.52
  6. Step 6: Final answer
    x = 72,320.90

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1.5x scale

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.