Home / 57,210.50-85,833.68-25,647.03

Finding the Fourth Proportional to 57,210.50, 85,833.68 and 25,647.03

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Solution

The fourth proportional to 57,210.50, 85,833.68 and 25,647.03 is: 38,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,210.50 : 85,833.68 = 25,647.03 : x
  2. Step 2: Convert to fraction form
    57,210.50/85,833.68 = 25,647.03/x
  3. Step 3: Cross multiply
    57,210.50x = 85,833.68 × 25,647.03
  4. Step 4: Simplify right side
    57,210.50x = 2,201,378,837.74
  5. Step 5: Solve for x
    x = 2,201,378,837.74/57,210.50
  6. Step 6: Final answer
    x = 38,478.58

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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.