Home / 47,169.93-70,754.96-12,109.59

Finding the Fourth Proportional to 47,169.93, 70,754.96 and 12,109.59

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Solution

The fourth proportional to 47,169.93, 70,754.96 and 12,109.59 is: 18,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,169.93 : 70,754.96 = 12,109.59 : x
  2. Step 2: Convert to fraction form
    47,169.93/70,754.96 = 12,109.59/x
  3. Step 3: Cross multiply
    47,169.93x = 70,754.96 × 12,109.59
  4. Step 4: Simplify right side
    47,169.93x = 856,813,495.52
  5. Step 5: Solve for x
    x = 856,813,495.52/47,169.93
  6. Step 6: Final answer
    x = 18,164.40

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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.