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Finding the Fourth Proportional to 52,113.88, 77,789.44 and 44,765.56

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Solution

The fourth proportional to 52,113.88, 77,789.44 and 44,765.56 is: 66,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113.88 : 77,789.44 = 44,765.56 : x
  2. Step 2: Convert to fraction form
    52,113.88/77,789.44 = 44,765.56/x
  3. Step 3: Cross multiply
    52,113.88x = 77,789.44 × 44,765.56
  4. Step 4: Simplify right side
    52,113.88x = 3,482,287,843.69
  5. Step 5: Solve for x
    x = 3,482,287,843.69/52,113.88
  6. Step 6: Final answer
    x = 66,820.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.