Home / 75,637.20-113,480.10-50,705.40

Finding the Fourth Proportional to 75,637.20, 113,480.10 and 50,705.40

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Solution

The fourth proportional to 75,637.20, 113,480.10 and 50,705.40 is: 76,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,637.20 : 113,480.10 = 50,705.40 : x
  2. Step 2: Convert to fraction form
    75,637.20/113,480.10 = 50,705.40/x
  3. Step 3: Cross multiply
    75,637.20x = 113,480.10 × 50,705.40
  4. Step 4: Simplify right side
    75,637.20x = 5,754,053,862.54
  5. Step 5: Solve for x
    x = 5,754,053,862.54/75,637.20
  6. Step 6: Final answer
    x = 76,074.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.