Home / 68,864.02-103,199.02-54,761.46

Finding the Fourth Proportional to 68,864.02, 103,199.02 and 54,761.46

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Solution

The fourth proportional to 68,864.02, 103,199.02 and 54,761.46 is: 82,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.02 : 103,199.02 = 54,761.46 : x
  2. Step 2: Convert to fraction form
    68,864.02/103,199.02 = 54,761.46/x
  3. Step 3: Cross multiply
    68,864.02x = 103,199.02 × 54,761.46
  4. Step 4: Simplify right side
    68,864.02x = 5,651,329,005.77
  5. Step 5: Solve for x
    x = 5,651,329,005.77/68,864.02
  6. Step 6: Final answer
    x = 82,065.05

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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.