Home / 65,332.20-90,178.74-51,927.24

Finding the Fourth Proportional to 65,332.20, 90,178.74 and 51,927.24

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Solution

The fourth proportional to 65,332.20, 90,178.74 and 51,927.24 is: 71,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,332.20 : 90,178.74 = 51,927.24 : x
  2. Step 2: Convert to fraction form
    65,332.20/90,178.74 = 51,927.24/x
  3. Step 3: Cross multiply
    65,332.20x = 90,178.74 × 51,927.24
  4. Step 4: Simplify right side
    65,332.20x = 4,682,733,074.88
  5. Step 5: Solve for x
    x = 4,682,733,074.88/65,332.20
  6. Step 6: Final answer
    x = 71,675.73

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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.