Home / 75,861.18-113,756.54-44,280.36

Finding the Fourth Proportional to 75,861.18, 113,756.54 and 44,280.36

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Solution

The fourth proportional to 75,861.18, 113,756.54 and 44,280.36 is: 66,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.18 : 113,756.54 = 44,280.36 : x
  2. Step 2: Convert to fraction form
    75,861.18/113,756.54 = 44,280.36/x
  3. Step 3: Cross multiply
    75,861.18x = 113,756.54 × 44,280.36
  4. Step 4: Simplify right side
    75,861.18x = 5,037,180,543.55
  5. Step 5: Solve for x
    x = 5,037,180,543.55/75,861.18
  6. Step 6: Final answer
    x = 66,399.98

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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.