Home / 83,775.26-115,502.07-68,612.06

Finding the Fourth Proportional to 83,775.26, 115,502.07 and 68,612.06

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Solution

The fourth proportional to 83,775.26, 115,502.07 and 68,612.06 is: 94,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,775.26 : 115,502.07 = 68,612.06 : x
  2. Step 2: Convert to fraction form
    83,775.26/115,502.07 = 68,612.06/x
  3. Step 3: Cross multiply
    83,775.26x = 115,502.07 × 68,612.06
  4. Step 4: Simplify right side
    83,775.26x = 7,924,834,956.96
  5. Step 5: Solve for x
    x = 7,924,834,956.96/83,775.26
  6. Step 6: Final answer
    x = 94,596.36

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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.