Home / 85,159.59-117,514.56-49,343.22

Finding the Fourth Proportional to 85,159.59, 117,514.56 and 49,343.22

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Solution

The fourth proportional to 85,159.59, 117,514.56 and 49,343.22 is: 68,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.59 : 117,514.56 = 49,343.22 : x
  2. Step 2: Convert to fraction form
    85,159.59/117,514.56 = 49,343.22/x
  3. Step 3: Cross multiply
    85,159.59x = 117,514.56 × 49,343.22
  4. Step 4: Simplify right side
    85,159.59x = 5,798,546,787.28
  5. Step 5: Solve for x
    x = 5,798,546,787.28/85,159.59
  6. Step 6: Final answer
    x = 68,090.36

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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.