Home / 47,301.36-70,826.80-28,556.32

Finding the Fourth Proportional to 47,301.36, 70,826.80 and 28,556.32

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Solution

The fourth proportional to 47,301.36, 70,826.80 and 28,556.32 is: 42,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,301.36 : 70,826.80 = 28,556.32 : x
  2. Step 2: Convert to fraction form
    47,301.36/70,826.80 = 28,556.32/x
  3. Step 3: Cross multiply
    47,301.36x = 70,826.80 × 28,556.32
  4. Step 4: Simplify right side
    47,301.36x = 2,022,552,765.38
  5. Step 5: Solve for x
    x = 2,022,552,765.38/47,301.36
  6. Step 6: Final answer
    x = 42,758.87

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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.