Home / 67,845.60-101,768.40-56,959.20

Finding the Fourth Proportional to 67,845.60, 101,768.40 and 56,959.20

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Solution

The fourth proportional to 67,845.60, 101,768.40 and 56,959.20 is: 85,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.60 : 101,768.40 = 56,959.20 : x
  2. Step 2: Convert to fraction form
    67,845.60/101,768.40 = 56,959.20/x
  3. Step 3: Cross multiply
    67,845.60x = 101,768.40 × 56,959.20
  4. Step 4: Simplify right side
    67,845.60x = 5,796,646,649.28
  5. Step 5: Solve for x
    x = 5,796,646,649.28/67,845.60
  6. Step 6: Final answer
    x = 85,438.80

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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.