Home / 47,565.59-71,342.70-12,507.98

Finding the Fourth Proportional to 47,565.59, 71,342.70 and 12,507.98

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Solution

The fourth proportional to 47,565.59, 71,342.70 and 12,507.98 is: 18,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,565.59 : 71,342.70 = 12,507.98 : x
  2. Step 2: Convert to fraction form
    47,565.59/71,342.70 = 12,507.98/x
  3. Step 3: Cross multiply
    47,565.59x = 71,342.70 × 12,507.98
  4. Step 4: Simplify right side
    47,565.59x = 892,352,708.03
  5. Step 5: Solve for x
    x = 892,352,708.03/47,565.59
  6. Step 6: Final answer
    x = 18,760.47

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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.