Home / 48,180.48-72,263.43-13,122.90

Finding the Fourth Proportional to 48,180.48, 72,263.43 and 13,122.90

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Solution

The fourth proportional to 48,180.48, 72,263.43 and 13,122.90 is: 19,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,180.48 : 72,263.43 = 13,122.90 : x
  2. Step 2: Convert to fraction form
    48,180.48/72,263.43 = 13,122.90/x
  3. Step 3: Cross multiply
    48,180.48x = 72,263.43 × 13,122.90
  4. Step 4: Simplify right side
    48,180.48x = 948,305,765.55
  5. Step 5: Solve for x
    x = 948,305,765.55/48,180.48
  6. Step 6: Final answer
    x = 19,682.36

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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.