Home / 70,240.23-105,370.83-25,863.57

Finding the Fourth Proportional to 70,240.23, 105,370.83 and 25,863.57

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Solution

The fourth proportional to 70,240.23, 105,370.83 and 25,863.57 is: 38,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240.23 : 105,370.83 = 25,863.57 : x
  2. Step 2: Convert to fraction form
    70,240.23/105,370.83 = 25,863.57/x
  3. Step 3: Cross multiply
    70,240.23x = 105,370.83 × 25,863.57
  4. Step 4: Simplify right side
    70,240.23x = 2,725,265,837.66
  5. Step 5: Solve for x
    x = 2,725,265,837.66/70,240.23
  6. Step 6: Final answer
    x = 38,799.22

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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.