Home / 60,539.10-90,699.30-37,138.20

Finding the Fourth Proportional to 60,539.10, 90,699.30 and 37,138.20

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Solution

The fourth proportional to 60,539.10, 90,699.30 and 37,138.20 is: 55,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,539.10 : 90,699.30 = 37,138.20 : x
  2. Step 2: Convert to fraction form
    60,539.10/90,699.30 = 37,138.20/x
  3. Step 3: Cross multiply
    60,539.10x = 90,699.30 × 37,138.20
  4. Step 4: Simplify right side
    60,539.10x = 3,368,408,743.26
  5. Step 5: Solve for x
    x = 3,368,408,743.26/60,539.10
  6. Step 6: Final answer
    x = 55,640.22

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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.