Home / 63,889.20-95,833.80-57,344.40

Finding the Fourth Proportional to 63,889.20, 95,833.80 and 57,344.40

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Solution

The fourth proportional to 63,889.20, 95,833.80 and 57,344.40 is: 86,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,889.20 : 95,833.80 = 57,344.40 : x
  2. Step 2: Convert to fraction form
    63,889.20/95,833.80 = 57,344.40/x
  3. Step 3: Cross multiply
    63,889.20x = 95,833.80 × 57,344.40
  4. Step 4: Simplify right side
    63,889.20x = 5,495,531,760.72
  5. Step 5: Solve for x
    x = 5,495,531,760.72/63,889.20
  6. Step 6: Final answer
    x = 86,016.60

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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.