Home / 47,064.15-70,419.77-28,019.12

Finding the Fourth Proportional to 47,064.15, 70,419.77 and 28,019.12

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Solution

The fourth proportional to 47,064.15, 70,419.77 and 28,019.12 is: 41,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,064.15 : 70,419.77 = 28,019.12 : x
  2. Step 2: Convert to fraction form
    47,064.15/70,419.77 = 28,019.12/x
  3. Step 3: Cross multiply
    47,064.15x = 70,419.77 × 28,019.12
  4. Step 4: Simplify right side
    47,064.15x = 1,973,100,162.05
  5. Step 5: Solve for x
    x = 1,973,100,162.05/47,064.15
  6. Step 6: Final answer
    x = 41,923.63

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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.