Home / 55,148.24-82,708.70-15,705.70

Finding the Fourth Proportional to 55,148.24, 82,708.70 and 15,705.70

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Solution

The fourth proportional to 55,148.24, 82,708.70 and 15,705.70 is: 23,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.24 : 82,708.70 = 15,705.70 : x
  2. Step 2: Convert to fraction form
    55,148.24/82,708.70 = 15,705.70/x
  3. Step 3: Cross multiply
    55,148.24x = 82,708.70 × 15,705.70
  4. Step 4: Simplify right side
    55,148.24x = 1,298,997,744.29
  5. Step 5: Solve for x
    x = 1,298,997,744.29/55,148.24
  6. Step 6: Final answer
    x = 23,554.65

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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.