Home / 67,280.27-100,812.61-51,466.13

Finding the Fourth Proportional to 67,280.27, 100,812.61 and 51,466.13

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Solution

The fourth proportional to 67,280.27, 100,812.61 and 51,466.13 is: 77,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.27 : 100,812.61 = 51,466.13 : x
  2. Step 2: Convert to fraction form
    67,280.27/100,812.61 = 51,466.13/x
  3. Step 3: Cross multiply
    67,280.27x = 100,812.61 × 51,466.13
  4. Step 4: Simplify right side
    67,280.27x = 5,188,434,259.17
  5. Step 5: Solve for x
    x = 5,188,434,259.17/67,280.27
  6. Step 6: Final answer
    x = 77,116.73

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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.