Home / 60,173.12-82,917.60-49,636.64

Finding the Fourth Proportional to 60,173.12, 82,917.60 and 49,636.64

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Solution

The fourth proportional to 60,173.12, 82,917.60 and 49,636.64 is: 68,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,173.12 : 82,917.60 = 49,636.64 : x
  2. Step 2: Convert to fraction form
    60,173.12/82,917.60 = 49,636.64/x
  3. Step 3: Cross multiply
    60,173.12x = 82,917.60 × 49,636.64
  4. Step 4: Simplify right side
    60,173.12x = 4,115,751,060.86
  5. Step 5: Solve for x
    x = 4,115,751,060.86/60,173.12
  6. Step 6: Final answer
    x = 68,398.50

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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.