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Finding the Fourth Proportional to 61,373.30, 92,076.95 and 28,065.29

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Solution

The fourth proportional to 61,373.30, 92,076.95 and 28,065.29 is: 42,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,373.30 : 92,076.95 = 28,065.29 : x
  2. Step 2: Convert to fraction form
    61,373.30/92,076.95 = 28,065.29/x
  3. Step 3: Cross multiply
    61,373.30x = 92,076.95 × 28,065.29
  4. Step 4: Simplify right side
    61,373.30x = 2,584,165,913.84
  5. Step 5: Solve for x
    x = 2,584,165,913.84/61,373.30
  6. Step 6: Final answer
    x = 42,105.71

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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.