Home / 98,025.85-135,167.61-67,758.62

Finding the Fourth Proportional to 98,025.85, 135,167.61 and 67,758.62

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Solution

The fourth proportional to 98,025.85, 135,167.61 and 67,758.62 is: 93,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,025.85 : 135,167.61 = 67,758.62 : x
  2. Step 2: Convert to fraction form
    98,025.85/135,167.61 = 67,758.62/x
  3. Step 3: Cross multiply
    98,025.85x = 135,167.61 × 67,758.62
  4. Step 4: Simplify right side
    98,025.85x = 9,158,771,060.87
  5. Step 5: Solve for x
    x = 9,158,771,060.87/98,025.85
  6. Step 6: Final answer
    x = 93,432.21

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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.