Home / 85,863.12-118,498.62-50,052.39

Finding the Fourth Proportional to 85,863.12, 118,498.62 and 50,052.39

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Solution

The fourth proportional to 85,863.12, 118,498.62 and 50,052.39 is: 69,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,863.12 : 118,498.62 = 50,052.39 : x
  2. Step 2: Convert to fraction form
    85,863.12/118,498.62 = 50,052.39/x
  3. Step 3: Cross multiply
    85,863.12x = 118,498.62 × 50,052.39
  4. Step 4: Simplify right side
    85,863.12x = 5,931,139,142.70
  5. Step 5: Solve for x
    x = 5,931,139,142.70/85,863.12
  6. Step 6: Final answer
    x = 69,076.68

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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.