Home / 80,108.32-110,512.68-51,823.12

Finding the Fourth Proportional to 80,108.32, 110,512.68 and 51,823.12

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Solution

The fourth proportional to 80,108.32, 110,512.68 and 51,823.12 is: 71,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,108.32 : 110,512.68 = 51,823.12 : x
  2. Step 2: Convert to fraction form
    80,108.32/110,512.68 = 51,823.12/x
  3. Step 3: Cross multiply
    80,108.32x = 110,512.68 × 51,823.12
  4. Step 4: Simplify right side
    80,108.32x = 5,727,111,877.16
  5. Step 5: Solve for x
    x = 5,727,111,877.16/80,108.32
  6. Step 6: Final answer
    x = 71,492.10

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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.