Home / 104,807.78-144,634.37-57,061.11

Finding the Fourth Proportional to 104,807.78, 144,634.37 and 57,061.11

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Solution

The fourth proportional to 104,807.78, 144,634.37 and 57,061.11 is: 78,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,807.78 : 144,634.37 = 57,061.11 : x
  2. Step 2: Convert to fraction form
    104,807.78/144,634.37 = 57,061.11/x
  3. Step 3: Cross multiply
    104,807.78x = 144,634.37 × 57,061.11
  4. Step 4: Simplify right side
    104,807.78x = 8,252,997,696.35
  5. Step 5: Solve for x
    x = 8,252,997,696.35/104,807.78
  6. Step 6: Final answer
    x = 78,744.13

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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.