Home / 105,495.62-145,585.55-57,753.41

Finding the Fourth Proportional to 105,495.62, 145,585.55 and 57,753.41

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Solution

The fourth proportional to 105,495.62, 145,585.55 and 57,753.41 is: 79,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,495.62 : 145,585.55 = 57,753.41 : x
  2. Step 2: Convert to fraction form
    105,495.62/145,585.55 = 57,753.41/x
  3. Step 3: Cross multiply
    105,495.62x = 145,585.55 × 57,753.41
  4. Step 4: Simplify right side
    105,495.62x = 8,408,061,375.68
  5. Step 5: Solve for x
    x = 8,408,061,375.68/105,495.62
  6. Step 6: Final answer
    x = 79,700.58

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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.