Home / 80,541.55-111,143.74-48,293.97

Finding the Fourth Proportional to 80,541.55, 111,143.74 and 48,293.97

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Solution

The fourth proportional to 80,541.55, 111,143.74 and 48,293.97 is: 66,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,541.55 : 111,143.74 = 48,293.97 : x
  2. Step 2: Convert to fraction form
    80,541.55/111,143.74 = 48,293.97/x
  3. Step 3: Cross multiply
    80,541.55x = 111,143.74 × 48,293.97
  4. Step 4: Simplify right side
    80,541.55x = 5,367,571,889.53
  5. Step 5: Solve for x
    x = 5,367,571,889.53/80,541.55
  6. Step 6: Final answer
    x = 66,643.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.