Home / 45,564.71-68,339.18-20,598.95

Finding the Fourth Proportional to 45,564.71, 68,339.18 and 20,598.95

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Solution

The fourth proportional to 45,564.71, 68,339.18 and 20,598.95 is: 30,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.71 : 68,339.18 = 20,598.95 : x
  2. Step 2: Convert to fraction form
    45,564.71/68,339.18 = 20,598.95/x
  3. Step 3: Cross multiply
    45,564.71x = 68,339.18 × 20,598.95
  4. Step 4: Simplify right side
    45,564.71x = 1,407,715,351.86
  5. Step 5: Solve for x
    x = 1,407,715,351.86/45,564.71
  6. Step 6: Final answer
    x = 30,894.86

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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.