Home / 80,144.02-110,600.40-48,306.16

Finding the Fourth Proportional to 80,144.02, 110,600.40 and 48,306.16

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Solution

The fourth proportional to 80,144.02, 110,600.40 and 48,306.16 is: 66,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,144.02 : 110,600.40 = 48,306.16 : x
  2. Step 2: Convert to fraction form
    80,144.02/110,600.40 = 48,306.16/x
  3. Step 3: Cross multiply
    80,144.02x = 110,600.40 × 48,306.16
  4. Step 4: Simplify right side
    80,144.02x = 5,342,680,618.46
  5. Step 5: Solve for x
    x = 5,342,680,618.46/80,144.02
  6. Step 6: Final answer
    x = 66,663.50

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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.