Home / 59,135.50-81,620.70-38,996.02

Finding the Fourth Proportional to 59,135.50, 81,620.70 and 38,996.02

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Solution

The fourth proportional to 59,135.50, 81,620.70 and 38,996.02 is: 53,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,135.50 : 81,620.70 = 38,996.02 : x
  2. Step 2: Convert to fraction form
    59,135.50/81,620.70 = 38,996.02/x
  3. Step 3: Cross multiply
    59,135.50x = 81,620.70 × 38,996.02
  4. Step 4: Simplify right side
    59,135.50x = 3,182,882,449.61
  5. Step 5: Solve for x
    x = 3,182,882,449.61/59,135.50
  6. Step 6: Final answer
    x = 53,823.55

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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.