Home / 56,949.44-85,465.92-45,987.20

Finding the Fourth Proportional to 56,949.44, 85,465.92 and 45,987.20

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Solution

The fourth proportional to 56,949.44, 85,465.92 and 45,987.20 is: 69,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,949.44 : 85,465.92 = 45,987.20 : x
  2. Step 2: Convert to fraction form
    56,949.44/85,465.92 = 45,987.20/x
  3. Step 3: Cross multiply
    56,949.44x = 85,465.92 × 45,987.20
  4. Step 4: Simplify right side
    56,949.44x = 3,930,338,356.22
  5. Step 5: Solve for x
    x = 3,930,338,356.22/56,949.44
  6. Step 6: Final answer
    x = 69,014.52

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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.