Home / 87,055.39-130,620.02-47,566.37

Finding the Fourth Proportional to 87,055.39, 130,620.02 and 47,566.37

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Solution

The fourth proportional to 87,055.39, 130,620.02 and 47,566.37 is: 71,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,055.39 : 130,620.02 = 47,566.37 : x
  2. Step 2: Convert to fraction form
    87,055.39/130,620.02 = 47,566.37/x
  3. Step 3: Cross multiply
    87,055.39x = 130,620.02 × 47,566.37
  4. Step 4: Simplify right side
    87,055.39x = 6,213,119,309.80
  5. Step 5: Solve for x
    x = 6,213,119,309.80/87,055.39
  6. Step 6: Final answer
    x = 71,369.73

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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.