Home / 55,191.57-76,165.99-39,087.69

Finding the Fourth Proportional to 55,191.57, 76,165.99 and 39,087.69

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Solution

The fourth proportional to 55,191.57, 76,165.99 and 39,087.69 is: 53,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.57 : 76,165.99 = 39,087.69 : x
  2. Step 2: Convert to fraction form
    55,191.57/76,165.99 = 39,087.69/x
  3. Step 3: Cross multiply
    55,191.57x = 76,165.99 × 39,087.69
  4. Step 4: Simplify right side
    55,191.57x = 2,977,152,605.66
  5. Step 5: Solve for x
    x = 2,977,152,605.66/55,191.57
  6. Step 6: Final answer
    x = 53,942.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.