Home / 46,605.38-69,911.10-13,328.15

Finding the Fourth Proportional to 46,605.38, 69,911.10 and 13,328.15

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Solution

The fourth proportional to 46,605.38, 69,911.10 and 13,328.15 is: 19,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,605.38 : 69,911.10 = 13,328.15 : x
  2. Step 2: Convert to fraction form
    46,605.38/69,911.10 = 13,328.15/x
  3. Step 3: Cross multiply
    46,605.38x = 69,911.10 × 13,328.15
  4. Step 4: Simplify right side
    46,605.38x = 931,785,277.91
  5. Step 5: Solve for x
    x = 931,785,277.91/46,605.38
  6. Step 6: Final answer
    x = 19,993.09

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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.