Home / 64,063.20-88,398.40-35,765.28

Finding the Fourth Proportional to 64,063.20, 88,398.40 and 35,765.28

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Solution

The fourth proportional to 64,063.20, 88,398.40 and 35,765.28 is: 49,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,063.20 : 88,398.40 = 35,765.28 : x
  2. Step 2: Convert to fraction form
    64,063.20/88,398.40 = 35,765.28/x
  3. Step 3: Cross multiply
    64,063.20x = 88,398.40 × 35,765.28
  4. Step 4: Simplify right side
    64,063.20x = 3,161,593,527.55
  5. Step 5: Solve for x
    x = 3,161,593,527.55/64,063.20
  6. Step 6: Final answer
    x = 49,351.16

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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.