Home / 87,055.89-130,620.77-47,566.86

Finding the Fourth Proportional to 87,055.89, 130,620.77 and 47,566.86

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Solution

The fourth proportional to 87,055.89, 130,620.77 and 47,566.86 is: 71,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,055.89 : 130,620.77 = 47,566.86 : x
  2. Step 2: Convert to fraction form
    87,055.89/130,620.77 = 47,566.86/x
  3. Step 3: Cross multiply
    87,055.89x = 130,620.77 × 47,566.86
  4. Step 4: Simplify right side
    87,055.89x = 6,213,219,879.68
  5. Step 5: Solve for x
    x = 6,213,219,879.68/87,055.89
  6. Step 6: Final answer
    x = 71,370.47

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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.