Home / 75,236.56-103,776.80-48,336.64

Finding the Fourth Proportional to 75,236.56, 103,776.80 and 48,336.64

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Solution

The fourth proportional to 75,236.56, 103,776.80 and 48,336.64 is: 66,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,236.56 : 103,776.80 = 48,336.64 : x
  2. Step 2: Convert to fraction form
    75,236.56/103,776.80 = 48,336.64/x
  3. Step 3: Cross multiply
    75,236.56x = 103,776.80 × 48,336.64
  4. Step 4: Simplify right side
    75,236.56x = 5,016,221,821.95
  5. Step 5: Solve for x
    x = 5,016,221,821.95/75,236.56
  6. Step 6: Final answer
    x = 66,672.66

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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.