Home / 45,860.29-68,775.99-17,778.40

Finding the Fourth Proportional to 45,860.29, 68,775.99 and 17,778.40

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Solution

The fourth proportional to 45,860.29, 68,775.99 and 17,778.40 is: 26,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,860.29 : 68,775.99 = 17,778.40 : x
  2. Step 2: Convert to fraction form
    45,860.29/68,775.99 = 17,778.40/x
  3. Step 3: Cross multiply
    45,860.29x = 68,775.99 × 17,778.40
  4. Step 4: Simplify right side
    45,860.29x = 1,222,727,060.62
  5. Step 5: Solve for x
    x = 1,222,727,060.62/45,860.29
  6. Step 6: Final answer
    x = 26,662.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.