Home / 85,284.18-117,691.29-47,043.54

Finding the Fourth Proportional to 85,284.18, 117,691.29 and 47,043.54

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Solution

The fourth proportional to 85,284.18, 117,691.29 and 47,043.54 is: 64,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,284.18 : 117,691.29 = 47,043.54 : x
  2. Step 2: Convert to fraction form
    85,284.18/117,691.29 = 47,043.54/x
  3. Step 3: Cross multiply
    85,284.18x = 117,691.29 × 47,043.54
  4. Step 4: Simplify right side
    85,284.18x = 5,536,614,908.77
  5. Step 5: Solve for x
    x = 5,536,614,908.77/85,284.18
  6. Step 6: Final answer
    x = 64,919.60

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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.