Home / 74,873.16-103,324.36-40,881.56

Finding the Fourth Proportional to 74,873.16, 103,324.36 and 40,881.56

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Solution

The fourth proportional to 74,873.16, 103,324.36 and 40,881.56 is: 56,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,873.16 : 103,324.36 = 40,881.56 : x
  2. Step 2: Convert to fraction form
    74,873.16/103,324.36 = 40,881.56/x
  3. Step 3: Cross multiply
    74,873.16x = 103,324.36 × 40,881.56
  4. Step 4: Simplify right side
    74,873.16x = 4,224,061,061.83
  5. Step 5: Solve for x
    x = 4,224,061,061.83/74,873.16
  6. Step 6: Final answer
    x = 56,416.23

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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.