Home / 68,739.48-103,577.49-56,532.87

Finding the Fourth Proportional to 68,739.48, 103,577.49 and 56,532.87

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Solution

The fourth proportional to 68,739.48, 103,577.49 and 56,532.87 is: 85,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,739.48 : 103,577.49 = 56,532.87 : x
  2. Step 2: Convert to fraction form
    68,739.48/103,577.49 = 56,532.87/x
  3. Step 3: Cross multiply
    68,739.48x = 103,577.49 × 56,532.87
  4. Step 4: Simplify right side
    68,739.48x = 5,855,532,777.10
  5. Step 5: Solve for x
    x = 5,855,532,777.10/68,739.48
  6. Step 6: Final answer
    x = 85,184.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.