Home / 70,143.27-105,237.32-25,134.24

Finding the Fourth Proportional to 70,143.27, 105,237.32 and 25,134.24

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Solution

The fourth proportional to 70,143.27, 105,237.32 and 25,134.24 is: 37,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,143.27 : 105,237.32 = 25,134.24 : x
  2. Step 2: Convert to fraction form
    70,143.27/105,237.32 = 25,134.24/x
  3. Step 3: Cross multiply
    70,143.27x = 105,237.32 × 25,134.24
  4. Step 4: Simplify right side
    70,143.27x = 2,645,060,120.67
  5. Step 5: Solve for x
    x = 2,645,060,120.67/70,143.27
  6. Step 6: Final answer
    x = 37,709.39

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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.