Home / 105,943.84-146,141.43-63,477.77

Finding the Fourth Proportional to 105,943.84, 146,141.43 and 63,477.77

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Solution

The fourth proportional to 105,943.84, 146,141.43 and 63,477.77 is: 87,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,943.84 : 146,141.43 = 63,477.77 : x
  2. Step 2: Convert to fraction form
    105,943.84/146,141.43 = 63,477.77/x
  3. Step 3: Cross multiply
    105,943.84x = 146,141.43 × 63,477.77
  4. Step 4: Simplify right side
    105,943.84x = 9,276,732,081.01
  5. Step 5: Solve for x
    x = 9,276,732,081.01/105,943.84
  6. Step 6: Final answer
    x = 87,562.73

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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.