Home / 74,913.13-103,376.16-40,921.13

Finding the Fourth Proportional to 74,913.13, 103,376.16 and 40,921.13

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Solution

The fourth proportional to 74,913.13, 103,376.16 and 40,921.13 is: 56,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,913.13 : 103,376.16 = 40,921.13 : x
  2. Step 2: Convert to fraction form
    74,913.13/103,376.16 = 40,921.13/x
  3. Step 3: Cross multiply
    74,913.13x = 103,376.16 × 40,921.13
  4. Step 4: Simplify right side
    74,913.13x = 4,230,269,540.70
  5. Step 5: Solve for x
    x = 4,230,269,540.70/74,913.13
  6. Step 6: Final answer
    x = 56,469.00

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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.