Home / 60,787.47-91,180.26-31,188.23

Finding the Fourth Proportional to 60,787.47, 91,180.26 and 31,188.23

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Solution

The fourth proportional to 60,787.47, 91,180.26 and 31,188.23 is: 46,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,787.47 : 91,180.26 = 31,188.23 : x
  2. Step 2: Convert to fraction form
    60,787.47/91,180.26 = 31,188.23/x
  3. Step 3: Cross multiply
    60,787.47x = 91,180.26 × 31,188.23
  4. Step 4: Simplify right side
    60,787.47x = 2,843,750,464.44
  5. Step 5: Solve for x
    x = 2,843,750,464.44/60,787.47
  6. Step 6: Final answer
    x = 46,781.85

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1.5x scale

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.