Home / 85,354.18-117,771.18-49,048.61

Finding the Fourth Proportional to 85,354.18, 117,771.18 and 49,048.61

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Solution

The fourth proportional to 85,354.18, 117,771.18 and 49,048.61 is: 67,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,354.18 : 117,771.18 = 49,048.61 : x
  2. Step 2: Convert to fraction form
    85,354.18/117,771.18 = 49,048.61/x
  3. Step 3: Cross multiply
    85,354.18x = 117,771.18 × 49,048.61
  4. Step 4: Simplify right side
    85,354.18x = 5,776,512,677.06
  5. Step 5: Solve for x
    x = 5,776,512,677.06/85,354.18
  6. Step 6: Final answer
    x = 67,676.97

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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.