Home / 46,660.39-69,990.85-11,600.05

Finding the Fourth Proportional to 46,660.39, 69,990.85 and 11,600.05

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Solution

The fourth proportional to 46,660.39, 69,990.85 and 11,600.05 is: 17,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,660.39 : 69,990.85 = 11,600.05 : x
  2. Step 2: Convert to fraction form
    46,660.39/69,990.85 = 11,600.05/x
  3. Step 3: Cross multiply
    46,660.39x = 69,990.85 × 11,600.05
  4. Step 4: Simplify right side
    46,660.39x = 811,897,359.54
  5. Step 5: Solve for x
    x = 811,897,359.54/46,660.39
  6. Step 6: Final answer
    x = 17,400.14

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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.