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Finding the Fourth Proportional to 92,052.73, 126,970.30 and 59,729.59

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Solution

The fourth proportional to 92,052.73, 126,970.30 and 59,729.59 is: 82,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,052.73 : 126,970.30 = 59,729.59 : x
  2. Step 2: Convert to fraction form
    92,052.73/126,970.30 = 59,729.59/x
  3. Step 3: Cross multiply
    92,052.73x = 126,970.30 × 59,729.59
  4. Step 4: Simplify right side
    92,052.73x = 7,583,883,961.18
  5. Step 5: Solve for x
    x = 7,583,883,961.18/92,052.73
  6. Step 6: Final answer
    x = 82,386.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.