Home / 46,210.25-69,305.16-12,921.37

Finding the Fourth Proportional to 46,210.25, 69,305.16 and 12,921.37

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Solution

The fourth proportional to 46,210.25, 69,305.16 and 12,921.37 is: 19,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,210.25 : 69,305.16 = 12,921.37 : x
  2. Step 2: Convert to fraction form
    46,210.25/69,305.16 = 12,921.37/x
  3. Step 3: Cross multiply
    46,210.25x = 69,305.16 × 12,921.37
  4. Step 4: Simplify right side
    46,210.25x = 895,517,490.46
  5. Step 5: Solve for x
    x = 895,517,490.46/46,210.25
  6. Step 6: Final answer
    x = 19,379.19

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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.