Home / 45,589.73-68,159.80-38,647.22

Finding the Fourth Proportional to 45,589.73, 68,159.80 and 38,647.22

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Solution

The fourth proportional to 45,589.73, 68,159.80 and 38,647.22 is: 57,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,589.73 : 68,159.80 = 38,647.22 : x
  2. Step 2: Convert to fraction form
    45,589.73/68,159.80 = 38,647.22/x
  3. Step 3: Cross multiply
    45,589.73x = 68,159.80 × 38,647.22
  4. Step 4: Simplify right side
    45,589.73x = 2,634,186,785.76
  5. Step 5: Solve for x
    x = 2,634,186,785.76/45,589.73
  6. Step 6: Final answer
    x = 57,780.27

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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.