Home / 87,332.82-120,519.27-47,588.82

Finding the Fourth Proportional to 87,332.82, 120,519.27 and 47,588.82

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Solution

The fourth proportional to 87,332.82, 120,519.27 and 47,588.82 is: 65,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.82 : 120,519.27 = 47,588.82 : x
  2. Step 2: Convert to fraction form
    87,332.82/120,519.27 = 47,588.82/x
  3. Step 3: Cross multiply
    87,332.82x = 120,519.27 × 47,588.82
  4. Step 4: Simplify right side
    87,332.82x = 5,735,369,846.56
  5. Step 5: Solve for x
    x = 5,735,369,846.56/87,332.82
  6. Step 6: Final answer
    x = 65,672.56

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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.