Home / 48,449.72-72,674.52-13,389.36

Finding the Fourth Proportional to 48,449.72, 72,674.52 and 13,389.36

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Solution

The fourth proportional to 48,449.72, 72,674.52 and 13,389.36 is: 20,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.72 : 72,674.52 = 13,389.36 : x
  2. Step 2: Convert to fraction form
    48,449.72/72,674.52 = 13,389.36/x
  3. Step 3: Cross multiply
    48,449.72x = 72,674.52 × 13,389.36
  4. Step 4: Simplify right side
    48,449.72x = 973,065,311.11
  5. Step 5: Solve for x
    x = 973,065,311.11/48,449.72
  6. Step 6: Final answer
    x = 20,084.03

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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.