Home / 64,021.20-88,353.72-35,727.36

Finding the Fourth Proportional to 64,021.20, 88,353.72 and 35,727.36

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Solution

The fourth proportional to 64,021.20, 88,353.72 and 35,727.36 is: 49,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,021.20 : 88,353.72 = 35,727.36 : x
  2. Step 2: Convert to fraction form
    64,021.20/88,353.72 = 35,727.36/x
  3. Step 3: Cross multiply
    64,021.20x = 88,353.72 × 35,727.36
  4. Step 4: Simplify right side
    64,021.20x = 3,156,645,161.78
  5. Step 5: Solve for x
    x = 3,156,645,161.78/64,021.20
  6. Step 6: Final answer
    x = 49,306.25

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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.