Home / 74,288.14-102,356.87-50,373.29

Finding the Fourth Proportional to 74,288.14, 102,356.87 and 50,373.29

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Solution

The fourth proportional to 74,288.14, 102,356.87 and 50,373.29 is: 69,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288.14 : 102,356.87 = 50,373.29 : x
  2. Step 2: Convert to fraction form
    74,288.14/102,356.87 = 50,373.29/x
  3. Step 3: Cross multiply
    74,288.14x = 102,356.87 × 50,373.29
  4. Step 4: Simplify right side
    74,288.14x = 5,156,052,300.03
  5. Step 5: Solve for x
    x = 5,156,052,300.03/74,288.14
  6. Step 6: Final answer
    x = 69,406.13

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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.