Home / 74,529.72-102,852.92-40,540.14

Finding the Fourth Proportional to 74,529.72, 102,852.92 and 40,540.14

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Solution

The fourth proportional to 74,529.72, 102,852.92 and 40,540.14 is: 55,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.72 : 102,852.92 = 40,540.14 : x
  2. Step 2: Convert to fraction form
    74,529.72/102,852.92 = 40,540.14/x
  3. Step 3: Cross multiply
    74,529.72x = 102,852.92 × 40,540.14
  4. Step 4: Simplify right side
    74,529.72x = 4,169,671,877.56
  5. Step 5: Solve for x
    x = 4,169,671,877.56/74,529.72
  6. Step 6: Final answer
    x = 55,946.43

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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.