Home / 107,941.59-161,959.14-57,963.33

Finding the Fourth Proportional to 107,941.59, 161,959.14 and 57,963.33

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Solution

The fourth proportional to 107,941.59, 161,959.14 and 57,963.33 is: 86,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.59 : 161,959.14 = 57,963.33 : x
  2. Step 2: Convert to fraction form
    107,941.59/161,959.14 = 57,963.33/x
  3. Step 3: Cross multiply
    107,941.59x = 161,959.14 × 57,963.33
  4. Step 4: Simplify right side
    107,941.59x = 9,387,691,078.34
  5. Step 5: Solve for x
    x = 9,387,691,078.34/107,941.59
  6. Step 6: Final answer
    x = 86,970.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.