Home / 104,105.13-143,656.43-61,080.14

Finding the Fourth Proportional to 104,105.13, 143,656.43 and 61,080.14

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Solution

The fourth proportional to 104,105.13, 143,656.43 and 61,080.14 is: 84,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,105.13 : 143,656.43 = 61,080.14 : x
  2. Step 2: Convert to fraction form
    104,105.13/143,656.43 = 61,080.14/x
  3. Step 3: Cross multiply
    104,105.13x = 143,656.43 × 61,080.14
  4. Step 4: Simplify right side
    104,105.13x = 8,774,553,832.62
  5. Step 5: Solve for x
    x = 8,774,553,832.62/104,105.13
  6. Step 6: Final answer
    x = 84,285.51

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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.