Home / 74,621.16-102,945.78-49,426.92

Finding the Fourth Proportional to 74,621.16, 102,945.78 and 49,426.92

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Solution

The fourth proportional to 74,621.16, 102,945.78 and 49,426.92 is: 68,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.16 : 102,945.78 = 49,426.92 : x
  2. Step 2: Convert to fraction form
    74,621.16/102,945.78 = 49,426.92/x
  3. Step 3: Cross multiply
    74,621.16x = 102,945.78 × 49,426.92
  4. Step 4: Simplify right side
    74,621.16x = 5,088,292,832.40
  5. Step 5: Solve for x
    x = 5,088,292,832.40/74,621.16
  6. Step 6: Final answer
    x = 68,188.34

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