Home / 85,585.14-118,105.28-47,343.69

Finding the Fourth Proportional to 85,585.14, 118,105.28 and 47,343.69

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Solution

The fourth proportional to 85,585.14, 118,105.28 and 47,343.69 is: 65,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,585.14 : 118,105.28 = 47,343.69 : x
  2. Step 2: Convert to fraction form
    85,585.14/118,105.28 = 47,343.69/x
  3. Step 3: Cross multiply
    85,585.14x = 118,105.28 × 47,343.69
  4. Step 4: Simplify right side
    85,585.14x = 5,591,538,936.44
  5. Step 5: Solve for x
    x = 5,591,538,936.44/85,585.14
  6. Step 6: Final answer
    x = 65,333.06

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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.