Home / 67,131.18-92,633.85-38,831.58

Finding the Fourth Proportional to 67,131.18, 92,633.85 and 38,831.58

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Solution

The fourth proportional to 67,131.18, 92,633.85 and 38,831.58 is: 53,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131.18 : 92,633.85 = 38,831.58 : x
  2. Step 2: Convert to fraction form
    67,131.18/92,633.85 = 38,831.58/x
  3. Step 3: Cross multiply
    67,131.18x = 92,633.85 × 38,831.58
  4. Step 4: Simplify right side
    67,131.18x = 3,597,118,756.98
  5. Step 5: Solve for x
    x = 3,597,118,756.98/67,131.18
  6. Step 6: Final answer
    x = 53,583.43

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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.