Home / 75,254.28-103,842.45-43,433.70

Finding the Fourth Proportional to 75,254.28, 103,842.45 and 43,433.70

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Solution

The fourth proportional to 75,254.28, 103,842.45 and 43,433.70 is: 59,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,254.28 : 103,842.45 = 43,433.70 : x
  2. Step 2: Convert to fraction form
    75,254.28/103,842.45 = 43,433.70/x
  3. Step 3: Cross multiply
    75,254.28x = 103,842.45 × 43,433.70
  4. Step 4: Simplify right side
    75,254.28x = 4,510,261,820.57
  5. Step 5: Solve for x
    x = 4,510,261,820.57/75,254.28
  6. Step 6: Final answer
    x = 59,933.63

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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.