Home / 47,158.32-70,739.68-15,571.14

Finding the Fourth Proportional to 47,158.32, 70,739.68 and 15,571.14

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Solution

The fourth proportional to 47,158.32, 70,739.68 and 15,571.14 is: 23,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.32 : 70,739.68 = 15,571.14 : x
  2. Step 2: Convert to fraction form
    47,158.32/70,739.68 = 15,571.14/x
  3. Step 3: Cross multiply
    47,158.32x = 70,739.68 × 15,571.14
  4. Step 4: Simplify right side
    47,158.32x = 1,101,497,460.84
  5. Step 5: Solve for x
    x = 1,101,497,460.84/47,158.32
  6. Step 6: Final answer
    x = 23,357.44

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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.