Home / 73,112.18-109,668.26-39,860.20

Finding the Fourth Proportional to 73,112.18, 109,668.26 and 39,860.20

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Solution

The fourth proportional to 73,112.18, 109,668.26 and 39,860.20 is: 59,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,112.18 : 109,668.26 = 39,860.20 : x
  2. Step 2: Convert to fraction form
    73,112.18/109,668.26 = 39,860.20/x
  3. Step 3: Cross multiply
    73,112.18x = 109,668.26 × 39,860.20
  4. Step 4: Simplify right side
    73,112.18x = 4,371,398,577.95
  5. Step 5: Solve for x
    x = 4,371,398,577.95/73,112.18
  6. Step 6: Final answer
    x = 59,790.30

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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.