Home / 46,061.30-69,091.96-12,781.38

Finding the Fourth Proportional to 46,061.30, 69,091.96 and 12,781.38

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Solution

The fourth proportional to 46,061.30, 69,091.96 and 12,781.38 is: 19,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,061.30 : 69,091.96 = 12,781.38 : x
  2. Step 2: Convert to fraction form
    46,061.30/69,091.96 = 12,781.38/x
  3. Step 3: Cross multiply
    46,061.30x = 69,091.96 × 12,781.38
  4. Step 4: Simplify right side
    46,061.30x = 883,090,499.59
  5. Step 5: Solve for x
    x = 883,090,499.59/46,061.30
  6. Step 6: Final answer
    x = 19,172.07

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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.