Home / 85,616.97-118,124.64-51,635.85

Finding the Fourth Proportional to 85,616.97, 118,124.64 and 51,635.85

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Solution

The fourth proportional to 85,616.97, 118,124.64 and 51,635.85 is: 71,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,616.97 : 118,124.64 = 51,635.85 : x
  2. Step 2: Convert to fraction form
    85,616.97/118,124.64 = 51,635.85/x
  3. Step 3: Cross multiply
    85,616.97x = 118,124.64 × 51,635.85
  4. Step 4: Simplify right side
    85,616.97x = 6,099,466,192.34
  5. Step 5: Solve for x
    x = 6,099,466,192.34/85,616.97
  6. Step 6: Final answer
    x = 71,241.32

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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.