Home / 88,682.40-122,382.63-48,395.70

Finding the Fourth Proportional to 88,682.40, 122,382.63 and 48,395.70

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Solution

The fourth proportional to 88,682.40, 122,382.63 and 48,395.70 is: 66,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682.40 : 122,382.63 = 48,395.70 : x
  2. Step 2: Convert to fraction form
    88,682.40/122,382.63 = 48,395.70/x
  3. Step 3: Cross multiply
    88,682.40x = 122,382.63 × 48,395.70
  4. Step 4: Simplify right side
    88,682.40x = 5,922,793,046.69
  5. Step 5: Solve for x
    x = 5,922,793,046.69/88,682.40
  6. Step 6: Final answer
    x = 66,786.57

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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.