Home / 85,367.02-127,987.10-40,951.48

Finding the Fourth Proportional to 85,367.02, 127,987.10 and 40,951.48

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Solution

The fourth proportional to 85,367.02, 127,987.10 and 40,951.48 is: 61,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,367.02 : 127,987.10 = 40,951.48 : x
  2. Step 2: Convert to fraction form
    85,367.02/127,987.10 = 40,951.48/x
  3. Step 3: Cross multiply
    85,367.02x = 127,987.10 × 40,951.48
  4. Step 4: Simplify right side
    85,367.02x = 5,241,261,165.91
  5. Step 5: Solve for x
    x = 5,241,261,165.91/85,367.02
  6. Step 6: Final answer
    x = 61,396.79

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1.5x scale

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.