Home / 64,842.12-89,480.34-36,162.66

Finding the Fourth Proportional to 64,842.12, 89,480.34 and 36,162.66

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Solution

The fourth proportional to 64,842.12, 89,480.34 and 36,162.66 is: 49,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,842.12 : 89,480.34 = 36,162.66 : x
  2. Step 2: Convert to fraction form
    64,842.12/89,480.34 = 36,162.66/x
  3. Step 3: Cross multiply
    64,842.12x = 89,480.34 × 36,162.66
  4. Step 4: Simplify right side
    64,842.12x = 3,235,847,112.10
  5. Step 5: Solve for x
    x = 3,235,847,112.10/64,842.12
  6. Step 6: Final answer
    x = 49,903.47

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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.