Home / 83,422.58-115,112.07-47,610.45

Finding the Fourth Proportional to 83,422.58, 115,112.07 and 47,610.45

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Solution

The fourth proportional to 83,422.58, 115,112.07 and 47,610.45 is: 65,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.58 : 115,112.07 = 47,610.45 : x
  2. Step 2: Convert to fraction form
    83,422.58/115,112.07 = 47,610.45/x
  3. Step 3: Cross multiply
    83,422.58x = 115,112.07 × 47,610.45
  4. Step 4: Simplify right side
    83,422.58x = 5,480,537,453.13
  5. Step 5: Solve for x
    x = 5,480,537,453.13/83,422.58
  6. Step 6: Final answer
    x = 65,696.10

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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.