Home / 70,318.06-105,449.70-25,327.24

Finding the Fourth Proportional to 70,318.06, 105,449.70 and 25,327.24

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Solution

The fourth proportional to 70,318.06, 105,449.70 and 25,327.24 is: 37,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.06 : 105,449.70 = 25,327.24 : x
  2. Step 2: Convert to fraction form
    70,318.06/105,449.70 = 25,327.24/x
  3. Step 3: Cross multiply
    70,318.06x = 105,449.70 × 25,327.24
  4. Step 4: Simplify right side
    70,318.06x = 2,670,749,859.83
  5. Step 5: Solve for x
    x = 2,670,749,859.83/70,318.06
  6. Step 6: Final answer
    x = 37,980.99

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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.