Home / 80,733.18-111,389.46-48,459.42

Finding the Fourth Proportional to 80,733.18, 111,389.46 and 48,459.42

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Solution

The fourth proportional to 80,733.18, 111,389.46 and 48,459.42 is: 66,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,733.18 : 111,389.46 = 48,459.42 : x
  2. Step 2: Convert to fraction form
    80,733.18/111,389.46 = 48,459.42/x
  3. Step 3: Cross multiply
    80,733.18x = 111,389.46 × 48,459.42
  4. Step 4: Simplify right side
    80,733.18x = 5,397,868,625.71
  5. Step 5: Solve for x
    x = 5,397,868,625.71/80,733.18
  6. Step 6: Final answer
    x = 66,860.60

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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.