Home / 85,157.33-117,511.45-49,340.96

Finding the Fourth Proportional to 85,157.33, 117,511.45 and 49,340.96

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Solution

The fourth proportional to 85,157.33, 117,511.45 and 49,340.96 is: 68,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,157.33 : 117,511.45 = 49,340.96 : x
  2. Step 2: Convert to fraction form
    85,157.33/117,511.45 = 49,340.96/x
  3. Step 3: Cross multiply
    85,157.33x = 117,511.45 × 49,340.96
  4. Step 4: Simplify right side
    85,157.33x = 5,798,127,043.08
  5. Step 5: Solve for x
    x = 5,798,127,043.08/85,157.33
  6. Step 6: Final answer
    x = 68,087.23

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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.