Home / 61,982.20-92,973.30-43,319.80

Finding the Fourth Proportional to 61,982.20, 92,973.30 and 43,319.80

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Solution

The fourth proportional to 61,982.20, 92,973.30 and 43,319.80 is: 64,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.20 : 92,973.30 = 43,319.80 : x
  2. Step 2: Convert to fraction form
    61,982.20/92,973.30 = 43,319.80/x
  3. Step 3: Cross multiply
    61,982.20x = 92,973.30 × 43,319.80
  4. Step 4: Simplify right side
    61,982.20x = 4,027,584,761.34
  5. Step 5: Solve for x
    x = 4,027,584,761.34/61,982.20
  6. Step 6: Final answer
    x = 64,979.70

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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.