Home / 85,517.48-118,056.22-53,703.92

Finding the Fourth Proportional to 85,517.48, 118,056.22 and 53,703.92

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Solution

The fourth proportional to 85,517.48, 118,056.22 and 53,703.92 is: 74,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,517.48 : 118,056.22 = 53,703.92 : x
  2. Step 2: Convert to fraction form
    85,517.48/118,056.22 = 53,703.92/x
  3. Step 3: Cross multiply
    85,517.48x = 118,056.22 × 53,703.92
  4. Step 4: Simplify right side
    85,517.48x = 6,340,081,794.38
  5. Step 5: Solve for x
    x = 6,340,081,794.38/85,517.48
  6. Step 6: Final answer
    x = 74,137.85

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1.5x scale

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.