Home / 83,721.44-115,538.24-45,996.48

Finding the Fourth Proportional to 83,721.44, 115,538.24 and 45,996.48

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Solution

The fourth proportional to 83,721.44, 115,538.24 and 45,996.48 is: 63,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,721.44 : 115,538.24 = 45,996.48 : x
  2. Step 2: Convert to fraction form
    83,721.44/115,538.24 = 45,996.48/x
  3. Step 3: Cross multiply
    83,721.44x = 115,538.24 × 45,996.48
  4. Step 4: Simplify right side
    83,721.44x = 5,314,352,345.40
  5. Step 5: Solve for x
    x = 5,314,352,345.40/83,721.44
  6. Step 6: Final answer
    x = 63,476.60

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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.