Home / 83,803.22-115,615.47-47,973.92

Finding the Fourth Proportional to 83,803.22, 115,615.47 and 47,973.92

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Solution

The fourth proportional to 83,803.22, 115,615.47 and 47,973.92 is: 66,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,803.22 : 115,615.47 = 47,973.92 : x
  2. Step 2: Convert to fraction form
    83,803.22/115,615.47 = 47,973.92/x
  3. Step 3: Cross multiply
    83,803.22x = 115,615.47 × 47,973.92
  4. Step 4: Simplify right side
    83,803.22x = 5,546,527,308.54
  5. Step 5: Solve for x
    x = 5,546,527,308.54/83,803.22
  6. Step 6: Final answer
    x = 66,185.13

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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.