Home / 87,048.42-130,584.23-34,445.60

Finding the Fourth Proportional to 87,048.42, 130,584.23 and 34,445.60

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Solution

The fourth proportional to 87,048.42, 130,584.23 and 34,445.60 is: 51,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,048.42 : 130,584.23 = 34,445.60 : x
  2. Step 2: Convert to fraction form
    87,048.42/130,584.23 = 34,445.60/x
  3. Step 3: Cross multiply
    87,048.42x = 130,584.23 × 34,445.60
  4. Step 4: Simplify right side
    87,048.42x = 4,498,052,584.26
  5. Step 5: Solve for x
    x = 4,498,052,584.26/87,048.42
  6. Step 6: Final answer
    x = 51,672.99

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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.