Home / 70,534.32-105,789.96-26,150.64

Finding the Fourth Proportional to 70,534.32, 105,789.96 and 26,150.64

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Solution

The fourth proportional to 70,534.32, 105,789.96 and 26,150.64 is: 39,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.32 : 105,789.96 = 26,150.64 : x
  2. Step 2: Convert to fraction form
    70,534.32/105,789.96 = 26,150.64/x
  3. Step 3: Cross multiply
    70,534.32x = 105,789.96 × 26,150.64
  4. Step 4: Simplify right side
    70,534.32x = 2,766,475,159.57
  5. Step 5: Solve for x
    x = 2,766,475,159.57/70,534.32
  6. Step 6: Final answer
    x = 39,221.69

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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.