Home / 68,488.02-102,740.22-29,040

Finding the Fourth Proportional to 68,488.02, 102,740.22 and 29,040

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Solution

The fourth proportional to 68,488.02, 102,740.22 and 29,040 is: 43,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,488.02 : 102,740.22 = 29,040 : x
  2. Step 2: Convert to fraction form
    68,488.02/102,740.22 = 29,040/x
  3. Step 3: Cross multiply
    68,488.02x = 102,740.22 × 29,040
  4. Step 4: Simplify right side
    68,488.02x = 2,983,575,988.80
  5. Step 5: Solve for x
    x = 2,983,575,988.80/68,488.02
  6. Step 6: Final answer
    x = 43,563.47

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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.