Home / 47,155.08-70,744.74-13,876.26

Finding the Fourth Proportional to 47,155.08, 70,744.74 and 13,876.26

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Solution

The fourth proportional to 47,155.08, 70,744.74 and 13,876.26 is: 20,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.08 : 70,744.74 = 13,876.26 : x
  2. Step 2: Convert to fraction form
    47,155.08/70,744.74 = 13,876.26/x
  3. Step 3: Cross multiply
    47,155.08x = 70,744.74 × 13,876.26
  4. Step 4: Simplify right side
    47,155.08x = 981,672,405.87
  5. Step 5: Solve for x
    x = 981,672,405.87/47,155.08
  6. Step 6: Final answer
    x = 20,817.96

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1.5x scale

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.