Home / 83,266.48-124,940.70-38,886.79

Finding the Fourth Proportional to 83,266.48, 124,940.70 and 38,886.79

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Solution

The fourth proportional to 83,266.48, 124,940.70 and 38,886.79 is: 58,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266.48 : 124,940.70 = 38,886.79 : x
  2. Step 2: Convert to fraction form
    83,266.48/124,940.70 = 38,886.79/x
  3. Step 3: Cross multiply
    83,266.48x = 124,940.70 × 38,886.79
  4. Step 4: Simplify right side
    83,266.48x = 4,858,542,763.35
  5. Step 5: Solve for x
    x = 4,858,542,763.35/83,266.48
  6. Step 6: Final answer
    x = 58,349.32

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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.