Home / 85,964.36-118,631.29-47,723.30

Finding the Fourth Proportional to 85,964.36, 118,631.29 and 47,723.30

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Solution

The fourth proportional to 85,964.36, 118,631.29 and 47,723.30 is: 65,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,964.36 : 118,631.29 = 47,723.30 : x
  2. Step 2: Convert to fraction form
    85,964.36/118,631.29 = 47,723.30/x
  3. Step 3: Cross multiply
    85,964.36x = 118,631.29 × 47,723.30
  4. Step 4: Simplify right side
    85,964.36x = 5,661,476,048.90
  5. Step 5: Solve for x
    x = 5,661,476,048.90/85,964.36
  6. Step 6: Final answer
    x = 65,858.41

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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.