Home / 54,856.20-75,571.86-45,233.40

Finding the Fourth Proportional to 54,856.20, 75,571.86 and 45,233.40

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Solution

The fourth proportional to 54,856.20, 75,571.86 and 45,233.40 is: 62,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.20 : 75,571.86 = 45,233.40 : x
  2. Step 2: Convert to fraction form
    54,856.20/75,571.86 = 45,233.40/x
  3. Step 3: Cross multiply
    54,856.20x = 75,571.86 × 45,233.40
  4. Step 4: Simplify right side
    54,856.20x = 3,418,372,172.12
  5. Step 5: Solve for x
    x = 3,418,372,172.12/54,856.20
  6. Step 6: Final answer
    x = 62,315.15

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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.