Home / 103,566.62-142,920.58-58,244.59

Finding the Fourth Proportional to 103,566.62, 142,920.58 and 58,244.59

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Solution

The fourth proportional to 103,566.62, 142,920.58 and 58,244.59 is: 80,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,566.62 : 142,920.58 = 58,244.59 : x
  2. Step 2: Convert to fraction form
    103,566.62/142,920.58 = 58,244.59/x
  3. Step 3: Cross multiply
    103,566.62x = 142,920.58 × 58,244.59
  4. Step 4: Simplify right side
    103,566.62x = 8,324,349,759.17
  5. Step 5: Solve for x
    x = 8,324,349,759.17/103,566.62
  6. Step 6: Final answer
    x = 80,376.77

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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.