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Finding the Fourth Proportional to 69,377.65, 104,066.34 and 53,605.60

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Solution

The fourth proportional to 69,377.65, 104,066.34 and 53,605.60 is: 80,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,377.65 : 104,066.34 = 53,605.60 : x
  2. Step 2: Convert to fraction form
    69,377.65/104,066.34 = 53,605.60/x
  3. Step 3: Cross multiply
    69,377.65x = 104,066.34 × 53,605.60
  4. Step 4: Simplify right side
    69,377.65x = 5,578,538,595.50
  5. Step 5: Solve for x
    x = 5,578,538,595.50/69,377.65
  6. Step 6: Final answer
    x = 80,408.30

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1.5x scale

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.