Home / 47,225.69-70,836.25-11,686.86

Finding the Fourth Proportional to 47,225.69, 70,836.25 and 11,686.86

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Solution

The fourth proportional to 47,225.69, 70,836.25 and 11,686.86 is: 17,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,225.69 : 70,836.25 = 11,686.86 : x
  2. Step 2: Convert to fraction form
    47,225.69/70,836.25 = 11,686.86/x
  3. Step 3: Cross multiply
    47,225.69x = 70,836.25 × 11,686.86
  4. Step 4: Simplify right side
    47,225.69x = 827,853,336.68
  5. Step 5: Solve for x
    x = 827,853,336.68/47,225.69
  6. Step 6: Final answer
    x = 17,529.72

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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.