Home / 83,975.54-115,883.88-45,734.23

Finding the Fourth Proportional to 83,975.54, 115,883.88 and 45,734.23

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Solution

The fourth proportional to 83,975.54, 115,883.88 and 45,734.23 is: 63,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,975.54 : 115,883.88 = 45,734.23 : x
  2. Step 2: Convert to fraction form
    83,975.54/115,883.88 = 45,734.23/x
  3. Step 3: Cross multiply
    83,975.54x = 115,883.88 × 45,734.23
  4. Step 4: Simplify right side
    83,975.54x = 5,299,860,021.21
  5. Step 5: Solve for x
    x = 5,299,860,021.21/83,975.54
  6. Step 6: Final answer
    x = 63,111.95

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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.