Home / 85,630.33-118,167.18-47,387.57

Finding the Fourth Proportional to 85,630.33, 118,167.18 and 47,387.57

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Solution

The fourth proportional to 85,630.33, 118,167.18 and 47,387.57 is: 65,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,630.33 : 118,167.18 = 47,387.57 : x
  2. Step 2: Convert to fraction form
    85,630.33/118,167.18 = 47,387.57/x
  3. Step 3: Cross multiply
    85,630.33x = 118,167.18 × 47,387.57
  4. Step 4: Simplify right side
    85,630.33x = 5,599,655,513.95
  5. Step 5: Solve for x
    x = 5,599,655,513.95/85,630.33
  6. Step 6: Final answer
    x = 65,393.37

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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.