Home / 68,038.62-102,065.61-28,588.38

Finding the Fourth Proportional to 68,038.62, 102,065.61 and 28,588.38

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Solution

The fourth proportional to 68,038.62, 102,065.61 and 28,588.38 is: 42,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,038.62 : 102,065.61 = 28,588.38 : x
  2. Step 2: Convert to fraction form
    68,038.62/102,065.61 = 28,588.38/x
  3. Step 3: Cross multiply
    68,038.62x = 102,065.61 × 28,588.38
  4. Step 4: Simplify right side
    68,038.62x = 2,917,890,443.61
  5. Step 5: Solve for x
    x = 2,917,890,443.61/68,038.62
  6. Step 6: Final answer
    x = 42,885.80

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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.