Home / 60,138.42-90,159.03-25,104.30

Finding the Fourth Proportional to 60,138.42, 90,159.03 and 25,104.30

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Solution

The fourth proportional to 60,138.42, 90,159.03 and 25,104.30 is: 37,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.42 : 90,159.03 = 25,104.30 : x
  2. Step 2: Convert to fraction form
    60,138.42/90,159.03 = 25,104.30/x
  3. Step 3: Cross multiply
    60,138.42x = 90,159.03 × 25,104.30
  4. Step 4: Simplify right side
    60,138.42x = 2,263,379,336.83
  5. Step 5: Solve for x
    x = 2,263,379,336.83/60,138.42
  6. Step 6: Final answer
    x = 37,636.16

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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.