Home / 88,539.12-122,169.02-49,771.77

Finding the Fourth Proportional to 88,539.12, 122,169.02 and 49,771.77

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Solution

The fourth proportional to 88,539.12, 122,169.02 and 49,771.77 is: 68,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,539.12 : 122,169.02 = 49,771.77 : x
  2. Step 2: Convert to fraction form
    88,539.12/122,169.02 = 49,771.77/x
  3. Step 3: Cross multiply
    88,539.12x = 122,169.02 × 49,771.77
  4. Step 4: Simplify right side
    88,539.12x = 6,080,568,364.57
  5. Step 5: Solve for x
    x = 6,080,568,364.57/88,539.12
  6. Step 6: Final answer
    x = 68,676.63

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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.