Home / 64,704.38-89,277.27-36,399.74

Finding the Fourth Proportional to 64,704.38, 89,277.27 and 36,399.74

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Solution

The fourth proportional to 64,704.38, 89,277.27 and 36,399.74 is: 50,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,704.38 : 89,277.27 = 36,399.74 : x
  2. Step 2: Convert to fraction form
    64,704.38/89,277.27 = 36,399.74/x
  3. Step 3: Cross multiply
    64,704.38x = 89,277.27 × 36,399.74
  4. Step 4: Simplify right side
    64,704.38x = 3,249,669,415.91
  5. Step 5: Solve for x
    x = 3,249,669,415.91/64,704.38
  6. Step 6: Final answer
    x = 50,223.33

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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.