Home / 74,493.19-102,799.11-40,502.35

Finding the Fourth Proportional to 74,493.19, 102,799.11 and 40,502.35

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Solution

The fourth proportional to 74,493.19, 102,799.11 and 40,502.35 is: 55,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493.19 : 102,799.11 = 40,502.35 : x
  2. Step 2: Convert to fraction form
    74,493.19/102,799.11 = 40,502.35/x
  3. Step 3: Cross multiply
    74,493.19x = 102,799.11 × 40,502.35
  4. Step 4: Simplify right side
    74,493.19x = 4,163,605,532.91
  5. Step 5: Solve for x
    x = 4,163,605,532.91/74,493.19
  6. Step 6: Final answer
    x = 55,892.43

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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.