Home / 69,909.48-104,776.65-55,059.75

Finding the Fourth Proportional to 69,909.48, 104,776.65 and 55,059.75

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Solution

The fourth proportional to 69,909.48, 104,776.65 and 55,059.75 is: 82,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.48 : 104,776.65 = 55,059.75 : x
  2. Step 2: Convert to fraction form
    69,909.48/104,776.65 = 55,059.75/x
  3. Step 3: Cross multiply
    69,909.48x = 104,776.65 × 55,059.75
  4. Step 4: Simplify right side
    69,909.48x = 5,768,976,154.84
  5. Step 5: Solve for x
    x = 5,768,976,154.84/69,909.48
  6. Step 6: Final answer
    x = 82,520.66

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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.