Home / 70,210.24-105,321.96-25,837.84

Finding the Fourth Proportional to 70,210.24, 105,321.96 and 25,837.84

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Solution

The fourth proportional to 70,210.24, 105,321.96 and 25,837.84 is: 38,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.24 : 105,321.96 = 25,837.84 : x
  2. Step 2: Convert to fraction form
    70,210.24/105,321.96 = 25,837.84/x
  3. Step 3: Cross multiply
    70,210.24x = 105,321.96 × 25,837.84
  4. Step 4: Simplify right side
    70,210.24x = 2,721,291,950.97
  5. Step 5: Solve for x
    x = 2,721,291,950.97/70,210.24
  6. Step 6: Final answer
    x = 38,759.19

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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.