Home / 47,092.46-70,639.26-13,813.20

Finding the Fourth Proportional to 47,092.46, 70,639.26 and 13,813.20

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Solution

The fourth proportional to 47,092.46, 70,639.26 and 13,813.20 is: 20,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,092.46 : 70,639.26 = 13,813.20 : x
  2. Step 2: Convert to fraction form
    47,092.46/70,639.26 = 13,813.20/x
  3. Step 3: Cross multiply
    47,092.46x = 70,639.26 × 13,813.20
  4. Step 4: Simplify right side
    47,092.46x = 975,754,174.43
  5. Step 5: Solve for x
    x = 975,754,174.43/47,092.46
  6. Step 6: Final answer
    x = 20,719.97

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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.