Home / 84,899.96-117,161.10-47,173.40

Finding the Fourth Proportional to 84,899.96, 117,161.10 and 47,173.40

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Solution

The fourth proportional to 84,899.96, 117,161.10 and 47,173.40 is: 65,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.96 : 117,161.10 = 47,173.40 : x
  2. Step 2: Convert to fraction form
    84,899.96/117,161.10 = 47,173.40/x
  3. Step 3: Cross multiply
    84,899.96x = 117,161.10 × 47,173.40
  4. Step 4: Simplify right side
    84,899.96x = 5,526,887,434.74
  5. Step 5: Solve for x
    x = 5,526,887,434.74/84,899.96
  6. Step 6: Final answer
    x = 65,098.82

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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.