Home / 85,930.25-118,582.29-48,203.69

Finding the Fourth Proportional to 85,930.25, 118,582.29 and 48,203.69

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Solution

The fourth proportional to 85,930.25, 118,582.29 and 48,203.69 is: 66,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,930.25 : 118,582.29 = 48,203.69 : x
  2. Step 2: Convert to fraction form
    85,930.25/118,582.29 = 48,203.69/x
  3. Step 3: Cross multiply
    85,930.25x = 118,582.29 × 48,203.69
  4. Step 4: Simplify right side
    85,930.25x = 5,716,103,353.74
  5. Step 5: Solve for x
    x = 5,716,103,353.74/85,930.25
  6. Step 6: Final answer
    x = 66,520.27

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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.