Home / 85,338.59-117,742.97-51,330.06

Finding the Fourth Proportional to 85,338.59, 117,742.97 and 51,330.06

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Solution

The fourth proportional to 85,338.59, 117,742.97 and 51,330.06 is: 70,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,338.59 : 117,742.97 = 51,330.06 : x
  2. Step 2: Convert to fraction form
    85,338.59/117,742.97 = 51,330.06/x
  3. Step 3: Cross multiply
    85,338.59x = 117,742.97 × 51,330.06
  4. Step 4: Simplify right side
    85,338.59x = 6,043,753,458.03
  5. Step 5: Solve for x
    x = 6,043,753,458.03/85,338.59
  6. Step 6: Final answer
    x = 70,820.88

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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.