Home / 82,710.38-124,063.23-26,550.05

Finding the Fourth Proportional to 82,710.38, 124,063.23 and 26,550.05

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Solution

The fourth proportional to 82,710.38, 124,063.23 and 26,550.05 is: 39,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,710.38 : 124,063.23 = 26,550.05 : x
  2. Step 2: Convert to fraction form
    82,710.38/124,063.23 = 26,550.05/x
  3. Step 3: Cross multiply
    82,710.38x = 124,063.23 × 26,550.05
  4. Step 4: Simplify right side
    82,710.38x = 3,293,884,959.66
  5. Step 5: Solve for x
    x = 3,293,884,959.66/82,710.38
  6. Step 6: Final answer
    x = 39,824.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.