Home / 70,201.32-105,238.76-25,818.58

Finding the Fourth Proportional to 70,201.32, 105,238.76 and 25,818.58

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Solution

The fourth proportional to 70,201.32, 105,238.76 and 25,818.58 is: 38,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,201.32 : 105,238.76 = 25,818.58 : x
  2. Step 2: Convert to fraction form
    70,201.32/105,238.76 = 25,818.58/x
  3. Step 3: Cross multiply
    70,201.32x = 105,238.76 × 25,818.58
  4. Step 4: Simplify right side
    70,201.32x = 2,717,115,344.16
  5. Step 5: Solve for x
    x = 2,717,115,344.16/70,201.32
  6. Step 6: Final answer
    x = 38,704.62

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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.