Home / 84,535.52-126,616.38-57,818.18

Finding the Fourth Proportional to 84,535.52, 126,616.38 and 57,818.18

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Solution

The fourth proportional to 84,535.52, 126,616.38 and 57,818.18 is: 86,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,535.52 : 126,616.38 = 57,818.18 : x
  2. Step 2: Convert to fraction form
    84,535.52/126,616.38 = 57,818.18/x
  3. Step 3: Cross multiply
    84,535.52x = 126,616.38 × 57,818.18
  4. Step 4: Simplify right side
    84,535.52x = 7,320,728,649.79
  5. Step 5: Solve for x
    x = 7,320,728,649.79/84,535.52
  6. Step 6: Final answer
    x = 86,599.44

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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.