Home / 48,135.21-72,206.46-13,074.36

Finding the Fourth Proportional to 48,135.21, 72,206.46 and 13,074.36

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Solution

The fourth proportional to 48,135.21, 72,206.46 and 13,074.36 is: 19,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.21 : 72,206.46 = 13,074.36 : x
  2. Step 2: Convert to fraction form
    48,135.21/72,206.46 = 13,074.36/x
  3. Step 3: Cross multiply
    48,135.21x = 72,206.46 × 13,074.36
  4. Step 4: Simplify right side
    48,135.21x = 944,053,252.37
  5. Step 5: Solve for x
    x = 944,053,252.37/48,135.21
  6. Step 6: Final answer
    x = 19,612.53

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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.