Home / 80,311.18-110,829.63-44,500.90

Finding the Fourth Proportional to 80,311.18, 110,829.63 and 44,500.90

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Solution

The fourth proportional to 80,311.18, 110,829.63 and 44,500.90 is: 61,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.18 : 110,829.63 = 44,500.90 : x
  2. Step 2: Convert to fraction form
    80,311.18/110,829.63 = 44,500.90/x
  3. Step 3: Cross multiply
    80,311.18x = 110,829.63 × 44,500.90
  4. Step 4: Simplify right side
    80,311.18x = 4,932,018,281.67
  5. Step 5: Solve for x
    x = 4,932,018,281.67/80,311.18
  6. Step 6: Final answer
    x = 61,411.35

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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.