Home / 74,374.22-102,637.17-40,383.02

Finding the Fourth Proportional to 74,374.22, 102,637.17 and 40,383.02

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Solution

The fourth proportional to 74,374.22, 102,637.17 and 40,383.02 is: 55,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,374.22 : 102,637.17 = 40,383.02 : x
  2. Step 2: Convert to fraction form
    74,374.22/102,637.17 = 40,383.02/x
  3. Step 3: Cross multiply
    74,374.22x = 102,637.17 × 40,383.02
  4. Step 4: Simplify right side
    74,374.22x = 4,144,798,375.67
  5. Step 5: Solve for x
    x = 4,144,798,375.67/74,374.22
  6. Step 6: Final answer
    x = 55,728.97

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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.