Home / 57,734.25-86,603.90-18,294.27

Finding the Fourth Proportional to 57,734.25, 86,603.90 and 18,294.27

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Solution

The fourth proportional to 57,734.25, 86,603.90 and 18,294.27 is: 27,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.25 : 86,603.90 = 18,294.27 : x
  2. Step 2: Convert to fraction form
    57,734.25/86,603.90 = 18,294.27/x
  3. Step 3: Cross multiply
    57,734.25x = 86,603.90 × 18,294.27
  4. Step 4: Simplify right side
    57,734.25x = 1,584,355,038.18
  5. Step 5: Solve for x
    x = 1,584,355,038.18/57,734.25
  6. Step 6: Final answer
    x = 27,442.20

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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.