Home / 85,582.56-118,104-47,856.96

Finding the Fourth Proportional to 85,582.56, 118,104 and 47,856.96

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Solution

The fourth proportional to 85,582.56, 118,104 and 47,856.96 is: 66,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582.56 : 118,104 = 47,856.96 : x
  2. Step 2: Convert to fraction form
    85,582.56/118,104 = 47,856.96/x
  3. Step 3: Cross multiply
    85,582.56x = 118,104 × 47,856.96
  4. Step 4: Simplify right side
    85,582.56x = 5,652,098,403.84
  5. Step 5: Solve for x
    x = 5,652,098,403.84/85,582.56
  6. Step 6: Final answer
    x = 66,042.64

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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.