Home / 67,618.40-101,427.60-43,998.80

Finding the Fourth Proportional to 67,618.40, 101,427.60 and 43,998.80

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Solution

The fourth proportional to 67,618.40, 101,427.60 and 43,998.80 is: 65,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618.40 : 101,427.60 = 43,998.80 : x
  2. Step 2: Convert to fraction form
    67,618.40/101,427.60 = 43,998.80/x
  3. Step 3: Cross multiply
    67,618.40x = 101,427.60 × 43,998.80
  4. Step 4: Simplify right side
    67,618.40x = 4,462,692,686.88
  5. Step 5: Solve for x
    x = 4,462,692,686.88/67,618.40
  6. Step 6: Final answer
    x = 65,998.20

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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.