Home / 64,765.22-89,375.58-36,086.13

Finding the Fourth Proportional to 64,765.22, 89,375.58 and 36,086.13

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Solution

The fourth proportional to 64,765.22, 89,375.58 and 36,086.13 is: 49,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.22 : 89,375.58 = 36,086.13 : x
  2. Step 2: Convert to fraction form
    64,765.22/89,375.58 = 36,086.13/x
  3. Step 3: Cross multiply
    64,765.22x = 89,375.58 × 36,086.13
  4. Step 4: Simplify right side
    64,765.22x = 3,225,218,798.71
  5. Step 5: Solve for x
    x = 3,225,218,798.71/64,765.22
  6. Step 6: Final answer
    x = 49,798.63

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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.