Home / 75,166.40-103,680.24-48,266.30

Finding the Fourth Proportional to 75,166.40, 103,680.24 and 48,266.30

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Solution

The fourth proportional to 75,166.40, 103,680.24 and 48,266.30 is: 66,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,166.40 : 103,680.24 = 48,266.30 : x
  2. Step 2: Convert to fraction form
    75,166.40/103,680.24 = 48,266.30/x
  3. Step 3: Cross multiply
    75,166.40x = 103,680.24 × 48,266.30
  4. Step 4: Simplify right side
    75,166.40x = 5,004,261,049.51
  5. Step 5: Solve for x
    x = 5,004,261,049.51/75,166.40
  6. Step 6: Final answer
    x = 66,575.78

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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.