Home / 65,818.40-98,727.60-48,192.80

Finding the Fourth Proportional to 65,818.40, 98,727.60 and 48,192.80

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Solution

The fourth proportional to 65,818.40, 98,727.60 and 48,192.80 is: 72,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,818.40 : 98,727.60 = 48,192.80 : x
  2. Step 2: Convert to fraction form
    65,818.40/98,727.60 = 48,192.80/x
  3. Step 3: Cross multiply
    65,818.40x = 98,727.60 × 48,192.80
  4. Step 4: Simplify right side
    65,818.40x = 4,757,959,481.28
  5. Step 5: Solve for x
    x = 4,757,959,481.28/65,818.40
  6. Step 6: Final answer
    x = 72,289.20

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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.