Home / 85,517.07-118,013.74-47,791.32

Finding the Fourth Proportional to 85,517.07, 118,013.74 and 47,791.32

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Solution

The fourth proportional to 85,517.07, 118,013.74 and 47,791.32 is: 65,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,517.07 : 118,013.74 = 47,791.32 : x
  2. Step 2: Convert to fraction form
    85,517.07/118,013.74 = 47,791.32/x
  3. Step 3: Cross multiply
    85,517.07x = 118,013.74 × 47,791.32
  4. Step 4: Simplify right side
    85,517.07x = 5,640,032,293.26
  5. Step 5: Solve for x
    x = 5,640,032,293.26/85,517.07
  6. Step 6: Final answer
    x = 65,952.12

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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.