Home / 85,576.27-118,055.96-55,371.44

Finding the Fourth Proportional to 85,576.27, 118,055.96 and 55,371.44

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Solution

The fourth proportional to 85,576.27, 118,055.96 and 55,371.44 is: 76,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,576.27 : 118,055.96 = 55,371.44 : x
  2. Step 2: Convert to fraction form
    85,576.27/118,055.96 = 55,371.44/x
  3. Step 3: Cross multiply
    85,576.27x = 118,055.96 × 55,371.44
  4. Step 4: Simplify right side
    85,576.27x = 6,536,928,505.78
  5. Step 5: Solve for x
    x = 6,536,928,505.78/85,576.27
  6. Step 6: Final answer
    x = 76,387.16

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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.