Home / 75,520.08-113,124.60-44,280

Finding the Fourth Proportional to 75,520.08, 113,124.60 and 44,280

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Solution

The fourth proportional to 75,520.08, 113,124.60 and 44,280 is: 66,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,520.08 : 113,124.60 = 44,280 : x
  2. Step 2: Convert to fraction form
    75,520.08/113,124.60 = 44,280/x
  3. Step 3: Cross multiply
    75,520.08x = 113,124.60 × 44,280
  4. Step 4: Simplify right side
    75,520.08x = 5,009,157,288
  5. Step 5: Solve for x
    x = 5,009,157,288/75,520.08
  6. Step 6: Final answer
    x = 66,328.81

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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.