Home / 83,206.22-124,809.03-38,808.30

Finding the Fourth Proportional to 83,206.22, 124,809.03 and 38,808.30

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Solution

The fourth proportional to 83,206.22, 124,809.03 and 38,808.30 is: 58,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,206.22 : 124,809.03 = 38,808.30 : x
  2. Step 2: Convert to fraction form
    83,206.22/124,809.03 = 38,808.30/x
  3. Step 3: Cross multiply
    83,206.22x = 124,809.03 × 38,808.30
  4. Step 4: Simplify right side
    83,206.22x = 4,843,626,278.95
  5. Step 5: Solve for x
    x = 4,843,626,278.95/83,206.22
  6. Step 6: Final answer
    x = 58,212.31

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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.