Home / 85,682.94-118,233.93-49,877.70

Finding the Fourth Proportional to 85,682.94, 118,233.93 and 49,877.70

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Solution

The fourth proportional to 85,682.94, 118,233.93 and 49,877.70 is: 68,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.94 : 118,233.93 = 49,877.70 : x
  2. Step 2: Convert to fraction form
    85,682.94/118,233.93 = 49,877.70/x
  3. Step 3: Cross multiply
    85,682.94x = 118,233.93 × 49,877.70
  4. Step 4: Simplify right side
    85,682.94x = 5,897,236,490.36
  5. Step 5: Solve for x
    x = 5,897,236,490.36/85,682.94
  6. Step 6: Final answer
    x = 68,826.26

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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.