Home / 87,651.95-120,932.77-53,624.96

Finding the Fourth Proportional to 87,651.95, 120,932.77 and 53,624.96

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Solution

The fourth proportional to 87,651.95, 120,932.77 and 53,624.96 is: 73,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,651.95 : 120,932.77 = 53,624.96 : x
  2. Step 2: Convert to fraction form
    87,651.95/120,932.77 = 53,624.96/x
  3. Step 3: Cross multiply
    87,651.95x = 120,932.77 × 53,624.96
  4. Step 4: Simplify right side
    87,651.95x = 6,485,014,769.26
  5. Step 5: Solve for x
    x = 6,485,014,769.26/87,651.95
  6. Step 6: Final answer
    x = 73,985.98

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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.