Home / 87,610.22-120,902.08-47,323.98

Finding the Fourth Proportional to 87,610.22, 120,902.08 and 47,323.98

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Solution

The fourth proportional to 87,610.22, 120,902.08 and 47,323.98 is: 65,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,610.22 : 120,902.08 = 47,323.98 : x
  2. Step 2: Convert to fraction form
    87,610.22/120,902.08 = 47,323.98/x
  3. Step 3: Cross multiply
    87,610.22x = 120,902.08 × 47,323.98
  4. Step 4: Simplify right side
    87,610.22x = 5,721,566,774.75
  5. Step 5: Solve for x
    x = 5,721,566,774.75/87,610.22
  6. Step 6: Final answer
    x = 65,307.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.