Home / 48,422.30-72,637.07-13,361.63

Finding the Fourth Proportional to 48,422.30, 72,637.07 and 13,361.63

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Solution

The fourth proportional to 48,422.30, 72,637.07 and 13,361.63 is: 20,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.30 : 72,637.07 = 13,361.63 : x
  2. Step 2: Convert to fraction form
    48,422.30/72,637.07 = 13,361.63/x
  3. Step 3: Cross multiply
    48,422.30x = 72,637.07 × 13,361.63
  4. Step 4: Simplify right side
    48,422.30x = 970,549,223.63
  5. Step 5: Solve for x
    x = 970,549,223.63/48,422.30
  6. Step 6: Final answer
    x = 20,043.44

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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.