Home / 77,420.57-116,238.38-40,008.29

Finding the Fourth Proportional to 77,420.57, 116,238.38 and 40,008.29

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Solution

The fourth proportional to 77,420.57, 116,238.38 and 40,008.29 is: 60,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,420.57 : 116,238.38 = 40,008.29 : x
  2. Step 2: Convert to fraction form
    77,420.57/116,238.38 = 40,008.29/x
  3. Step 3: Cross multiply
    77,420.57x = 116,238.38 × 40,008.29
  4. Step 4: Simplify right side
    77,420.57x = 4,650,498,034.94
  5. Step 5: Solve for x
    x = 4,650,498,034.94/77,420.57
  6. Step 6: Final answer
    x = 60,067.99

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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.