Home / 74,864.81-112,234.34-30,523.39

Finding the Fourth Proportional to 74,864.81, 112,234.34 and 30,523.39

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Solution

The fourth proportional to 74,864.81, 112,234.34 and 30,523.39 is: 45,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.81 : 112,234.34 = 30,523.39 : x
  2. Step 2: Convert to fraction form
    74,864.81/112,234.34 = 30,523.39/x
  3. Step 3: Cross multiply
    74,864.81x = 112,234.34 × 30,523.39
  4. Step 4: Simplify right side
    74,864.81x = 3,425,772,326.94
  5. Step 5: Solve for x
    x = 3,425,772,326.94/74,864.81
  6. Step 6: Final answer
    x = 45,759.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.