Home / 61,142.09-91,645.81-46,100.99

Finding the Fourth Proportional to 61,142.09, 91,645.81 and 46,100.99

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Solution

The fourth proportional to 61,142.09, 91,645.81 and 46,100.99 is: 69,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,142.09 : 91,645.81 = 46,100.99 : x
  2. Step 2: Convert to fraction form
    61,142.09/91,645.81 = 46,100.99/x
  3. Step 3: Cross multiply
    61,142.09x = 91,645.81 × 46,100.99
  4. Step 4: Simplify right side
    61,142.09x = 4,224,962,684.21
  5. Step 5: Solve for x
    x = 4,224,962,684.21/61,142.09
  6. Step 6: Final answer
    x = 69,100.73

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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.