Home / 60,946.88-91,422.72-18,823.21

Finding the Fourth Proportional to 60,946.88, 91,422.72 and 18,823.21

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Solution

The fourth proportional to 60,946.88, 91,422.72 and 18,823.21 is: 28,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,946.88 : 91,422.72 = 18,823.21 : x
  2. Step 2: Convert to fraction form
    60,946.88/91,422.72 = 18,823.21/x
  3. Step 3: Cross multiply
    60,946.88x = 91,422.72 × 18,823.21
  4. Step 4: Simplify right side
    60,946.88x = 1,720,869,032.96
  5. Step 5: Solve for x
    x = 1,720,869,032.96/60,946.88
  6. Step 6: Final answer
    x = 28,235.56

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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.