Home / 51,972.67-77,967.20-16,904.13

Finding the Fourth Proportional to 51,972.67, 77,967.20 and 16,904.13

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Solution

The fourth proportional to 51,972.67, 77,967.20 and 16,904.13 is: 25,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.67 : 77,967.20 = 16,904.13 : x
  2. Step 2: Convert to fraction form
    51,972.67/77,967.20 = 16,904.13/x
  3. Step 3: Cross multiply
    51,972.67x = 77,967.20 × 16,904.13
  4. Step 4: Simplify right side
    51,972.67x = 1,317,967,684.54
  5. Step 5: Solve for x
    x = 1,317,967,684.54/51,972.67
  6. Step 6: Final answer
    x = 25,358.86

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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.