Home / 70,531.17-105,814.98-26,170.58

Finding the Fourth Proportional to 70,531.17, 105,814.98 and 26,170.58

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Solution

The fourth proportional to 70,531.17, 105,814.98 and 26,170.58 is: 39,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,531.17 : 105,814.98 = 26,170.58 : x
  2. Step 2: Convert to fraction form
    70,531.17/105,814.98 = 26,170.58/x
  3. Step 3: Cross multiply
    70,531.17x = 105,814.98 × 26,170.58
  4. Step 4: Simplify right side
    70,531.17x = 2,769,239,399.29
  5. Step 5: Solve for x
    x = 2,769,239,399.29/70,531.17
  6. Step 6: Final answer
    x = 39,262.63

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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.