Home / 105,070.62-144,991.53-59,759.61

Finding the Fourth Proportional to 105,070.62, 144,991.53 and 59,759.61

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Solution

The fourth proportional to 105,070.62, 144,991.53 and 59,759.61 is: 82,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,070.62 : 144,991.53 = 59,759.61 : x
  2. Step 2: Convert to fraction form
    105,070.62/144,991.53 = 59,759.61/x
  3. Step 3: Cross multiply
    105,070.62x = 144,991.53 × 59,759.61
  4. Step 4: Simplify right side
    105,070.62x = 8,664,637,286.10
  5. Step 5: Solve for x
    x = 8,664,637,286.10/105,070.62
  6. Step 6: Final answer
    x = 82,464.89

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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.