Home / 104,933.08-144,807.66-57,186.40

Finding the Fourth Proportional to 104,933.08, 144,807.66 and 57,186.40

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Solution

The fourth proportional to 104,933.08, 144,807.66 and 57,186.40 is: 78,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,933.08 : 144,807.66 = 57,186.40 : x
  2. Step 2: Convert to fraction form
    104,933.08/144,807.66 = 57,186.40/x
  3. Step 3: Cross multiply
    104,933.08x = 144,807.66 × 57,186.40
  4. Step 4: Simplify right side
    104,933.08x = 8,281,028,767.82
  5. Step 5: Solve for x
    x = 8,281,028,767.82/104,933.08
  6. Step 6: Final answer
    x = 78,917.24

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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.