Home / 64,841.12-89,478.96-36,161.66

Finding the Fourth Proportional to 64,841.12, 89,478.96 and 36,161.66

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Solution

The fourth proportional to 64,841.12, 89,478.96 and 36,161.66 is: 49,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.12 : 89,478.96 = 36,161.66 : x
  2. Step 2: Convert to fraction form
    64,841.12/89,478.96 = 36,161.66/x
  3. Step 3: Cross multiply
    64,841.12x = 89,478.96 × 36,161.66
  4. Step 4: Simplify right side
    64,841.12x = 3,235,707,281.28
  5. Step 5: Solve for x
    x = 3,235,707,281.28/64,841.12
  6. Step 6: Final answer
    x = 49,902.09

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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.