Home / 85,581.55-118,093.45-47,335.02

Finding the Fourth Proportional to 85,581.55, 118,093.45 and 47,335.02

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Solution

The fourth proportional to 85,581.55, 118,093.45 and 47,335.02 is: 65,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,581.55 : 118,093.45 = 47,335.02 : x
  2. Step 2: Convert to fraction form
    85,581.55/118,093.45 = 47,335.02/x
  3. Step 3: Cross multiply
    85,581.55x = 118,093.45 × 47,335.02
  4. Step 4: Simplify right side
    85,581.55x = 5,589,955,817.62
  5. Step 5: Solve for x
    x = 5,589,955,817.62/85,581.55
  6. Step 6: Final answer
    x = 65,317.30

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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.