Home / 84,725.73-117,043.17-67,707.66

Finding the Fourth Proportional to 84,725.73, 117,043.17 and 67,707.66

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Solution

The fourth proportional to 84,725.73, 117,043.17 and 67,707.66 is: 93,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.73 : 117,043.17 = 67,707.66 : x
  2. Step 2: Convert to fraction form
    84,725.73/117,043.17 = 67,707.66/x
  3. Step 3: Cross multiply
    84,725.73x = 117,043.17 × 67,707.66
  4. Step 4: Simplify right side
    84,725.73x = 7,924,719,159.68
  5. Step 5: Solve for x
    x = 7,924,719,159.68/84,725.73
  6. Step 6: Final answer
    x = 93,533.80

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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.