Home / 70,512.24-105,700.36-26,126.96

Finding the Fourth Proportional to 70,512.24, 105,700.36 and 26,126.96

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Solution

The fourth proportional to 70,512.24, 105,700.36 and 26,126.96 is: 39,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512.24 : 105,700.36 = 26,126.96 : x
  2. Step 2: Convert to fraction form
    70,512.24/105,700.36 = 26,126.96/x
  3. Step 3: Cross multiply
    70,512.24x = 105,700.36 × 26,126.96
  4. Step 4: Simplify right side
    70,512.24x = 2,761,629,077.71
  5. Step 5: Solve for x
    x = 2,761,629,077.71/70,512.24
  6. Step 6: Final answer
    x = 39,165.24

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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.