Home / 63,575.12-87,737.64-36,722.56

Finding the Fourth Proportional to 63,575.12, 87,737.64 and 36,722.56

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Solution

The fourth proportional to 63,575.12, 87,737.64 and 36,722.56 is: 50,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,575.12 : 87,737.64 = 36,722.56 : x
  2. Step 2: Convert to fraction form
    63,575.12/87,737.64 = 36,722.56/x
  3. Step 3: Cross multiply
    63,575.12x = 87,737.64 × 36,722.56
  4. Step 4: Simplify right side
    63,575.12x = 3,221,950,749.16
  5. Step 5: Solve for x
    x = 3,221,950,749.16/63,575.12
  6. Step 6: Final answer
    x = 50,679.43

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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.