Home / 67,477.28-101,184.60-39,405.65

Finding the Fourth Proportional to 67,477.28, 101,184.60 and 39,405.65

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Solution

The fourth proportional to 67,477.28, 101,184.60 and 39,405.65 is: 59,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,477.28 : 101,184.60 = 39,405.65 : x
  2. Step 2: Convert to fraction form
    67,477.28/101,184.60 = 39,405.65/x
  3. Step 3: Cross multiply
    67,477.28x = 101,184.60 × 39,405.65
  4. Step 4: Simplify right side
    67,477.28x = 3,987,244,932.99
  5. Step 5: Solve for x
    x = 3,987,244,932.99/67,477.28
  6. Step 6: Final answer
    x = 59,090.18

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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.