Home / 66,965.48-100,464.94-47,282.52

Finding the Fourth Proportional to 66,965.48, 100,464.94 and 47,282.52

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Solution

The fourth proportional to 66,965.48, 100,464.94 and 47,282.52 is: 70,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,965.48 : 100,464.94 = 47,282.52 : x
  2. Step 2: Convert to fraction form
    66,965.48/100,464.94 = 47,282.52/x
  3. Step 3: Cross multiply
    66,965.48x = 100,464.94 × 47,282.52
  4. Step 4: Simplify right side
    66,965.48x = 4,750,235,534.85
  5. Step 5: Solve for x
    x = 4,750,235,534.85/66,965.48
  6. Step 6: Final answer
    x = 70,935.59

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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.