Home / 47,145.03-70,719.77-15,557.85

Finding the Fourth Proportional to 47,145.03, 70,719.77 and 15,557.85

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Solution

The fourth proportional to 47,145.03, 70,719.77 and 15,557.85 is: 23,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.03 : 70,719.77 = 15,557.85 : x
  2. Step 2: Convert to fraction form
    47,145.03/70,719.77 = 15,557.85/x
  3. Step 3: Cross multiply
    47,145.03x = 70,719.77 × 15,557.85
  4. Step 4: Simplify right side
    47,145.03x = 1,100,247,761.10
  5. Step 5: Solve for x
    x = 1,100,247,761.10/47,145.03
  6. Step 6: Final answer
    x = 23,337.51

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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.