Home / 59,987.20-82,781.30-33,130.03

Finding the Fourth Proportional to 59,987.20, 82,781.30 and 33,130.03

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Solution

The fourth proportional to 59,987.20, 82,781.30 and 33,130.03 is: 45,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,987.20 : 82,781.30 = 33,130.03 : x
  2. Step 2: Convert to fraction form
    59,987.20/82,781.30 = 33,130.03/x
  3. Step 3: Cross multiply
    59,987.20x = 82,781.30 × 33,130.03
  4. Step 4: Simplify right side
    59,987.20x = 2,742,546,952.44
  5. Step 5: Solve for x
    x = 2,742,546,952.44/59,987.20
  6. Step 6: Final answer
    x = 45,718.87

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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.