Home / 85,515.88-118,001.69-47,270.26

Finding the Fourth Proportional to 85,515.88, 118,001.69 and 47,270.26

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Solution

The fourth proportional to 85,515.88, 118,001.69 and 47,270.26 is: 65,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,515.88 : 118,001.69 = 47,270.26 : x
  2. Step 2: Convert to fraction form
    85,515.88/118,001.69 = 47,270.26/x
  3. Step 3: Cross multiply
    85,515.88x = 118,001.69 × 47,270.26
  4. Step 4: Simplify right side
    85,515.88x = 5,577,970,566.74
  5. Step 5: Solve for x
    x = 5,577,970,566.74/85,515.88
  6. Step 6: Final answer
    x = 65,227.31

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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.