Home / 68,864.40-95,025.06-38,645.64

Finding the Fourth Proportional to 68,864.40, 95,025.06 and 38,645.64

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Solution

The fourth proportional to 68,864.40, 95,025.06 and 38,645.64 is: 53,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.40 : 95,025.06 = 38,645.64 : x
  2. Step 2: Convert to fraction form
    68,864.40/95,025.06 = 38,645.64/x
  3. Step 3: Cross multiply
    68,864.40x = 95,025.06 × 38,645.64
  4. Step 4: Simplify right side
    68,864.40x = 3,672,304,259.74
  5. Step 5: Solve for x
    x = 3,672,304,259.74/68,864.40
  6. Step 6: Final answer
    x = 53,326.60

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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.