Home / 105,792.22-145,999.89-58,045.69

Finding the Fourth Proportional to 105,792.22, 145,999.89 and 58,045.69

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Solution

The fourth proportional to 105,792.22, 145,999.89 and 58,045.69 is: 80,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,792.22 : 145,999.89 = 58,045.69 : x
  2. Step 2: Convert to fraction form
    105,792.22/145,999.89 = 58,045.69/x
  3. Step 3: Cross multiply
    105,792.22x = 145,999.89 × 58,045.69
  4. Step 4: Simplify right side
    105,792.22x = 8,474,664,354.97
  5. Step 5: Solve for x
    x = 8,474,664,354.97/105,792.22
  6. Step 6: Final answer
    x = 80,106.69

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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.