Home / 52,694.28-72,706.41-31,465.80

Finding the Fourth Proportional to 52,694.28, 72,706.41 and 31,465.80

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Solution

The fourth proportional to 52,694.28, 72,706.41 and 31,465.80 is: 43,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,694.28 : 72,706.41 = 31,465.80 : x
  2. Step 2: Convert to fraction form
    52,694.28/72,706.41 = 31,465.80/x
  3. Step 3: Cross multiply
    52,694.28x = 72,706.41 × 31,465.80
  4. Step 4: Simplify right side
    52,694.28x = 2,287,765,355.78
  5. Step 5: Solve for x
    x = 2,287,765,355.78/52,694.28
  6. Step 6: Final answer
    x = 43,415.82

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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.