Home / 67,812.20-101,430.30-60,842.60

Finding the Fourth Proportional to 67,812.20, 101,430.30 and 60,842.60

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Solution

The fourth proportional to 67,812.20, 101,430.30 and 60,842.60 is: 91,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,812.20 : 101,430.30 = 60,842.60 : x
  2. Step 2: Convert to fraction form
    67,812.20/101,430.30 = 60,842.60/x
  3. Step 3: Cross multiply
    67,812.20x = 101,430.30 × 60,842.60
  4. Step 4: Simplify right side
    67,812.20x = 6,171,283,170.78
  5. Step 5: Solve for x
    x = 6,171,283,170.78/67,812.20
  6. Step 6: Final answer
    x = 91,005.50

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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.