Home / 70,238.22-105,349.22-17,643.70

Finding the Fourth Proportional to 70,238.22, 105,349.22 and 17,643.70

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Solution

The fourth proportional to 70,238.22, 105,349.22 and 17,643.70 is: 26,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238.22 : 105,349.22 = 17,643.70 : x
  2. Step 2: Convert to fraction form
    70,238.22/105,349.22 = 17,643.70/x
  3. Step 3: Cross multiply
    70,238.22x = 105,349.22 × 17,643.70
  4. Step 4: Simplify right side
    70,238.22x = 1,858,750,032.91
  5. Step 5: Solve for x
    x = 1,858,750,032.91/70,238.22
  6. Step 6: Final answer
    x = 26,463.51

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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.