Home / 83,627.22-115,401.35-49,637.19

Finding the Fourth Proportional to 83,627.22, 115,401.35 and 49,637.19

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Solution

The fourth proportional to 83,627.22, 115,401.35 and 49,637.19 is: 68,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,627.22 : 115,401.35 = 49,637.19 : x
  2. Step 2: Convert to fraction form
    83,627.22/115,401.35 = 49,637.19/x
  3. Step 3: Cross multiply
    83,627.22x = 115,401.35 × 49,637.19
  4. Step 4: Simplify right side
    83,627.22x = 5,728,197,911.01
  5. Step 5: Solve for x
    x = 5,728,197,911.01/83,627.22
  6. Step 6: Final answer
    x = 68,496.82

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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.