Home / 70,535.31-105,821.19-26,174.70

Finding the Fourth Proportional to 70,535.31, 105,821.19 and 26,174.70

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Solution

The fourth proportional to 70,535.31, 105,821.19 and 26,174.70 is: 39,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,535.31 : 105,821.19 = 26,174.70 : x
  2. Step 2: Convert to fraction form
    70,535.31/105,821.19 = 26,174.70/x
  3. Step 3: Cross multiply
    70,535.31x = 105,821.19 × 26,174.70
  4. Step 4: Simplify right side
    70,535.31x = 2,769,837,901.89
  5. Step 5: Solve for x
    x = 2,769,837,901.89/70,535.31
  6. Step 6: Final answer
    x = 39,268.81

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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.