Home / 67,828.20-101,742.30-44,208.60

Finding the Fourth Proportional to 67,828.20, 101,742.30 and 44,208.60

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Solution

The fourth proportional to 67,828.20, 101,742.30 and 44,208.60 is: 66,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,828.20 : 101,742.30 = 44,208.60 : x
  2. Step 2: Convert to fraction form
    67,828.20/101,742.30 = 44,208.60/x
  3. Step 3: Cross multiply
    67,828.20x = 101,742.30 × 44,208.60
  4. Step 4: Simplify right side
    67,828.20x = 4,497,884,643.78
  5. Step 5: Solve for x
    x = 4,497,884,643.78/67,828.20
  6. Step 6: Final answer
    x = 66,312.90

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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.