Home / 54,531.68-81,797.58-47,113.70

Finding the Fourth Proportional to 54,531.68, 81,797.58 and 47,113.70

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Solution

The fourth proportional to 54,531.68, 81,797.58 and 47,113.70 is: 70,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.68 : 81,797.58 = 47,113.70 : x
  2. Step 2: Convert to fraction form
    54,531.68/81,797.58 = 47,113.70/x
  3. Step 3: Cross multiply
    54,531.68x = 81,797.58 × 47,113.70
  4. Step 4: Simplify right side
    54,531.68x = 3,853,786,235.86
  5. Step 5: Solve for x
    x = 3,853,786,235.86/54,531.68
  6. Step 6: Final answer
    x = 70,670.60

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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.