Home / 47,849.55-71,777.16-14,570.70

Finding the Fourth Proportional to 47,849.55, 71,777.16 and 14,570.70

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Solution

The fourth proportional to 47,849.55, 71,777.16 and 14,570.70 is: 21,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,849.55 : 71,777.16 = 14,570.70 : x
  2. Step 2: Convert to fraction form
    47,849.55/71,777.16 = 14,570.70/x
  3. Step 3: Cross multiply
    47,849.55x = 71,777.16 × 14,570.70
  4. Step 4: Simplify right side
    47,849.55x = 1,045,843,465.21
  5. Step 5: Solve for x
    x = 1,045,843,465.21/47,849.55
  6. Step 6: Final answer
    x = 21,856.91

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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.