Home / 74,202.03-102,399.17-40,210.56

Finding the Fourth Proportional to 74,202.03, 102,399.17 and 40,210.56

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Solution

The fourth proportional to 74,202.03, 102,399.17 and 40,210.56 is: 55,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.03 : 102,399.17 = 40,210.56 : x
  2. Step 2: Convert to fraction form
    74,202.03/102,399.17 = 40,210.56/x
  3. Step 3: Cross multiply
    74,202.03x = 102,399.17 × 40,210.56
  4. Step 4: Simplify right side
    74,202.03x = 4,117,527,768.18
  5. Step 5: Solve for x
    x = 4,117,527,768.18/74,202.03
  6. Step 6: Final answer
    x = 55,490.77

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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.