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Finding the Fourth Proportional to 80,113.00, 110,512.00 and 51,400.60

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Solution

The fourth proportional to 80,113.00, 110,512.00 and 51,400.60 is: 70,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,113.00 : 110,512.00 = 51,400.60 : x
  2. Step 2: Convert to fraction form
    80,113.00/110,512.00 = 51,400.60/x
  3. Step 3: Cross multiply
    80,113.00x = 110,512.00 × 51,400.60
  4. Step 4: Simplify right side
    80,113.00x = 5,680,382,916.86
  5. Step 5: Solve for x
    x = 5,680,382,916.86/80,113.00
  6. Step 6: Final answer
    x = 70,904.63

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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.