Home / 60,455.10-90,639.45-27,147.90

Finding the Fourth Proportional to 60,455.10, 90,639.45 and 27,147.90

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Solution

The fourth proportional to 60,455.10, 90,639.45 and 27,147.90 is: 40,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,455.10 : 90,639.45 = 27,147.90 : x
  2. Step 2: Convert to fraction form
    60,455.10/90,639.45 = 27,147.90/x
  3. Step 3: Cross multiply
    60,455.10x = 90,639.45 × 27,147.90
  4. Step 4: Simplify right side
    60,455.10x = 2,460,670,724.66
  5. Step 5: Solve for x
    x = 2,460,670,724.66/60,455.10
  6. Step 6: Final answer
    x = 40,702.45

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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.