Home / 85,617.97-118,126.02-51,636.85

Finding the Fourth Proportional to 85,617.97, 118,126.02 and 51,636.85

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Solution

The fourth proportional to 85,617.97, 118,126.02 and 51,636.85 is: 71,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,617.97 : 118,126.02 = 51,636.85 : x
  2. Step 2: Convert to fraction form
    85,617.97/118,126.02 = 51,636.85/x
  3. Step 3: Cross multiply
    85,617.97x = 118,126.02 × 51,636.85
  4. Step 4: Simplify right side
    85,617.97x = 6,099,655,575.84
  5. Step 5: Solve for x
    x = 6,099,655,575.84/85,617.97
  6. Step 6: Final answer
    x = 71,242.70

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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.