Home / 74,187.12-102,392.66-58,022.36

Finding the Fourth Proportional to 74,187.12, 102,392.66 and 58,022.36

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Solution

The fourth proportional to 74,187.12, 102,392.66 and 58,022.36 is: 80,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187.12 : 102,392.66 = 58,022.36 : x
  2. Step 2: Convert to fraction form
    74,187.12/102,392.66 = 58,022.36/x
  3. Step 3: Cross multiply
    74,187.12x = 102,392.66 × 58,022.36
  4. Step 4: Simplify right side
    74,187.12x = 5,941,063,470.57
  5. Step 5: Solve for x
    x = 5,941,063,470.57/74,187.12
  6. Step 6: Final answer
    x = 80,082.14

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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.