Home / 48,620.11-72,942.47-13,559.77

Finding the Fourth Proportional to 48,620.11, 72,942.47 and 13,559.77

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Solution

The fourth proportional to 48,620.11, 72,942.47 and 13,559.77 is: 20,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.11 : 72,942.47 = 13,559.77 : x
  2. Step 2: Convert to fraction form
    48,620.11/72,942.47 = 13,559.77/x
  3. Step 3: Cross multiply
    48,620.11x = 72,942.47 × 13,559.77
  4. Step 4: Simplify right side
    48,620.11x = 989,082,780.36
  5. Step 5: Solve for x
    x = 989,082,780.36/48,620.11
  6. Step 6: Final answer
    x = 20,343.08

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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.