Home / 52,964.79-73,138.85-39,512.68

Finding the Fourth Proportional to 52,964.79, 73,138.85 and 39,512.68

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Solution

The fourth proportional to 52,964.79, 73,138.85 and 39,512.68 is: 54,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,964.79 : 73,138.85 = 39,512.68 : x
  2. Step 2: Convert to fraction form
    52,964.79/73,138.85 = 39,512.68/x
  3. Step 3: Cross multiply
    52,964.79x = 73,138.85 × 39,512.68
  4. Step 4: Simplify right side
    52,964.79x = 2,889,911,743.38
  5. Step 5: Solve for x
    x = 2,889,911,743.38/52,964.79
  6. Step 6: Final answer
    x = 54,562.89

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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.