Home / 57,109.77-78,847.26-36,700.11

Finding the Fourth Proportional to 57,109.77, 78,847.26 and 36,700.11

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Solution

The fourth proportional to 57,109.77, 78,847.26 and 36,700.11 is: 50,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109.77 : 78,847.26 = 36,700.11 : x
  2. Step 2: Convert to fraction form
    57,109.77/78,847.26 = 36,700.11/x
  3. Step 3: Cross multiply
    57,109.77x = 78,847.26 × 36,700.11
  4. Step 4: Simplify right side
    57,109.77x = 2,893,703,115.20
  5. Step 5: Solve for x
    x = 2,893,703,115.20/57,109.77
  6. Step 6: Final answer
    x = 50,669.14

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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.