Home / 74,266.16-102,493.77-40,738.64

Finding the Fourth Proportional to 74,266.16, 102,493.77 and 40,738.64

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Solution

The fourth proportional to 74,266.16, 102,493.77 and 40,738.64 is: 56,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.16 : 102,493.77 = 40,738.64 : x
  2. Step 2: Convert to fraction form
    74,266.16/102,493.77 = 40,738.64/x
  3. Step 3: Cross multiply
    74,266.16x = 102,493.77 × 40,738.64
  4. Step 4: Simplify right side
    74,266.16x = 4,175,456,285.80
  5. Step 5: Solve for x
    x = 4,175,456,285.80/74,266.16
  6. Step 6: Final answer
    x = 56,222.87

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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.