Home / 47,022.12-70,539.80-13,744.76

Finding the Fourth Proportional to 47,022.12, 70,539.80 and 13,744.76

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Solution

The fourth proportional to 47,022.12, 70,539.80 and 13,744.76 is: 20,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,022.12 : 70,539.80 = 13,744.76 : x
  2. Step 2: Convert to fraction form
    47,022.12/70,539.80 = 13,744.76/x
  3. Step 3: Cross multiply
    47,022.12x = 70,539.80 × 13,744.76
  4. Step 4: Simplify right side
    47,022.12x = 969,552,200.03
  5. Step 5: Solve for x
    x = 969,552,200.03/47,022.12
  6. Step 6: Final answer
    x = 20,619.07

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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.