Home / 74,022.04-102,151.02-40,488.04

Finding the Fourth Proportional to 74,022.04, 102,151.02 and 40,488.04

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Solution

The fourth proportional to 74,022.04, 102,151.02 and 40,488.04 is: 55,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.04 : 102,151.02 = 40,488.04 : x
  2. Step 2: Convert to fraction form
    74,022.04/102,151.02 = 40,488.04/x
  3. Step 3: Cross multiply
    74,022.04x = 102,151.02 × 40,488.04
  4. Step 4: Simplify right side
    74,022.04x = 4,135,894,583.80
  5. Step 5: Solve for x
    x = 4,135,894,583.80/74,022.04
  6. Step 6: Final answer
    x = 55,873.83

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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.