Home / 47,585.08-71,378.43-12,523.42

Finding the Fourth Proportional to 47,585.08, 71,378.43 and 12,523.42

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Solution

The fourth proportional to 47,585.08, 71,378.43 and 12,523.42 is: 18,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.08 : 71,378.43 = 12,523.42 : x
  2. Step 2: Convert to fraction form
    47,585.08/71,378.43 = 12,523.42/x
  3. Step 3: Cross multiply
    47,585.08x = 71,378.43 × 12,523.42
  4. Step 4: Simplify right side
    47,585.08x = 893,902,057.83
  5. Step 5: Solve for x
    x = 893,902,057.83/47,585.08
  6. Step 6: Final answer
    x = 18,785.34

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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.