Home / 57,278.69-85,883.49-25,683.02

Finding the Fourth Proportional to 57,278.69, 85,883.49 and 25,683.02

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Solution

The fourth proportional to 57,278.69, 85,883.49 and 25,683.02 is: 38,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,278.69 : 85,883.49 = 25,683.02 : x
  2. Step 2: Convert to fraction form
    57,278.69/85,883.49 = 25,683.02/x
  3. Step 3: Cross multiply
    57,278.69x = 85,883.49 × 25,683.02
  4. Step 4: Simplify right side
    57,278.69x = 2,205,747,391.34
  5. Step 5: Solve for x
    x = 2,205,747,391.34/57,278.69
  6. Step 6: Final answer
    x = 38,509.04

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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.