Home / 54,422.40-81,633.60-47,510.40

Finding the Fourth Proportional to 54,422.40, 81,633.60 and 47,510.40

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Solution

The fourth proportional to 54,422.40, 81,633.60 and 47,510.40 is: 71,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.40 : 81,633.60 = 47,510.40 : x
  2. Step 2: Convert to fraction form
    54,422.40/81,633.60 = 47,510.40/x
  3. Step 3: Cross multiply
    54,422.40x = 81,633.60 × 47,510.40
  4. Step 4: Simplify right side
    54,422.40x = 3,878,444,989.44
  5. Step 5: Solve for x
    x = 3,878,444,989.44/54,422.40
  6. Step 6: Final answer
    x = 71,265.60

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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.