Home / 87,023.09-130,276.15-47,460.26

Finding the Fourth Proportional to 87,023.09, 130,276.15 and 47,460.26

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Solution

The fourth proportional to 87,023.09, 130,276.15 and 47,460.26 is: 71,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,023.09 : 130,276.15 = 47,460.26 : x
  2. Step 2: Convert to fraction form
    87,023.09/130,276.15 = 47,460.26/x
  3. Step 3: Cross multiply
    87,023.09x = 130,276.15 × 47,460.26
  4. Step 4: Simplify right side
    87,023.09x = 6,182,940,157.84
  5. Step 5: Solve for x
    x = 6,182,940,157.84/87,023.09
  6. Step 6: Final answer
    x = 71,049.42

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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.