Home / 84,650.16-116,798.30-48,837.90

Finding the Fourth Proportional to 84,650.16, 116,798.30 and 48,837.90

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Solution

The fourth proportional to 84,650.16, 116,798.30 and 48,837.90 is: 67,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,650.16 : 116,798.30 = 48,837.90 : x
  2. Step 2: Convert to fraction form
    84,650.16/116,798.30 = 48,837.90/x
  3. Step 3: Cross multiply
    84,650.16x = 116,798.30 × 48,837.90
  4. Step 4: Simplify right side
    84,650.16x = 5,704,183,695.57
  5. Step 5: Solve for x
    x = 5,704,183,695.57/84,650.16
  6. Step 6: Final answer
    x = 67,385.39

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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.