Home / 87,166.99-130,820.55-45,059.46

Finding the Fourth Proportional to 87,166.99, 130,820.55 and 45,059.46

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Solution

The fourth proportional to 87,166.99, 130,820.55 and 45,059.46 is: 67,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,166.99 : 130,820.55 = 45,059.46 : x
  2. Step 2: Convert to fraction form
    87,166.99/130,820.55 = 45,059.46/x
  3. Step 3: Cross multiply
    87,166.99x = 130,820.55 × 45,059.46
  4. Step 4: Simplify right side
    87,166.99x = 5,894,703,339.90
  5. Step 5: Solve for x
    x = 5,894,703,339.90/87,166.99
  6. Step 6: Final answer
    x = 67,625.41

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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.