Home / 57,572.10-86,352.48-20,125.26

Finding the Fourth Proportional to 57,572.10, 86,352.48 and 20,125.26

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Solution

The fourth proportional to 57,572.10, 86,352.48 and 20,125.26 is: 30,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572.10 : 86,352.48 = 20,125.26 : x
  2. Step 2: Convert to fraction form
    57,572.10/86,352.48 = 20,125.26/x
  3. Step 3: Cross multiply
    57,572.10x = 86,352.48 × 20,125.26
  4. Step 4: Simplify right side
    57,572.10x = 1,737,866,111.64
  5. Step 5: Solve for x
    x = 1,737,866,111.64/57,572.10
  6. Step 6: Final answer
    x = 30,185.91

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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.