Home / 64,654.38-89,230.55-36,369.18

Finding the Fourth Proportional to 64,654.38, 89,230.55 and 36,369.18

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Solution

The fourth proportional to 64,654.38, 89,230.55 and 36,369.18 is: 50,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,654.38 : 89,230.55 = 36,369.18 : x
  2. Step 2: Convert to fraction form
    64,654.38/89,230.55 = 36,369.18/x
  3. Step 3: Cross multiply
    64,654.38x = 89,230.55 × 36,369.18
  4. Step 4: Simplify right side
    64,654.38x = 3,245,241,752.60
  5. Step 5: Solve for x
    x = 3,245,241,752.60/64,654.38
  6. Step 6: Final answer
    x = 50,193.69

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1.5x scale

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.