Home / 71,971.10-107,947.20-22,056.20

Finding the Fourth Proportional to 71,971.10, 107,947.20 and 22,056.20

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Solution

The fourth proportional to 71,971.10, 107,947.20 and 22,056.20 is: 33,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,971.10 : 107,947.20 = 22,056.20 : x
  2. Step 2: Convert to fraction form
    71,971.10/107,947.20 = 22,056.20/x
  3. Step 3: Cross multiply
    71,971.10x = 107,947.20 × 22,056.20
  4. Step 4: Simplify right side
    71,971.10x = 2,380,905,032.64
  5. Step 5: Solve for x
    x = 2,380,905,032.64/71,971.10
  6. Step 6: Final answer
    x = 33,081.40

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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.