Home / 67,856.06-101,850.68-56,683.16

Finding the Fourth Proportional to 67,856.06, 101,850.68 and 56,683.16

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Solution

The fourth proportional to 67,856.06, 101,850.68 and 56,683.16 is: 85,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.06 : 101,850.68 = 56,683.16 : x
  2. Step 2: Convert to fraction form
    67,856.06/101,850.68 = 56,683.16/x
  3. Step 3: Cross multiply
    67,856.06x = 101,850.68 × 56,683.16
  4. Step 4: Simplify right side
    67,856.06x = 5,773,218,390.55
  5. Step 5: Solve for x
    x = 5,773,218,390.55/67,856.06
  6. Step 6: Final answer
    x = 85,080.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.