Home / 74,070.38-102,217.19-40,536.38

Finding the Fourth Proportional to 74,070.38, 102,217.19 and 40,536.38

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Solution

The fourth proportional to 74,070.38, 102,217.19 and 40,536.38 is: 55,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,070.38 : 102,217.19 = 40,536.38 : x
  2. Step 2: Convert to fraction form
    74,070.38/102,217.19 = 40,536.38/x
  3. Step 3: Cross multiply
    74,070.38x = 102,217.19 × 40,536.38
  4. Step 4: Simplify right side
    74,070.38x = 4,143,514,142.60
  5. Step 5: Solve for x
    x = 4,143,514,142.60/74,070.38
  6. Step 6: Final answer
    x = 55,940.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.