Home / 45,778.15-68,660.64-17,711.45

Finding the Fourth Proportional to 45,778.15, 68,660.64 and 17,711.45

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Solution

The fourth proportional to 45,778.15, 68,660.64 and 17,711.45 is: 26,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,778.15 : 68,660.64 = 17,711.45 : x
  2. Step 2: Convert to fraction form
    45,778.15/68,660.64 = 17,711.45/x
  3. Step 3: Cross multiply
    45,778.15x = 68,660.64 × 17,711.45
  4. Step 4: Simplify right side
    45,778.15x = 1,216,079,492.33
  5. Step 5: Solve for x
    x = 1,216,079,492.33/45,778.15
  6. Step 6: Final answer
    x = 26,564.63

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1.5x scale

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.