Home / 47,008.94-70,517.88-13,729.28

Finding the Fourth Proportional to 47,008.94, 70,517.88 and 13,729.28

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Solution

The fourth proportional to 47,008.94, 70,517.88 and 13,729.28 is: 20,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,008.94 : 70,517.88 = 13,729.28 : x
  2. Step 2: Convert to fraction form
    47,008.94/70,517.88 = 13,729.28/x
  3. Step 3: Cross multiply
    47,008.94x = 70,517.88 × 13,729.28
  4. Step 4: Simplify right side
    47,008.94x = 968,159,366.94
  5. Step 5: Solve for x
    x = 968,159,366.94/47,008.94
  6. Step 6: Final answer
    x = 20,595.22

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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.