Home / 85,517.02-118,004.34-49,699.54

Finding the Fourth Proportional to 85,517.02, 118,004.34 and 49,699.54

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Solution

The fourth proportional to 85,517.02, 118,004.34 and 49,699.54 is: 68,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,517.02 : 118,004.34 = 49,699.54 : x
  2. Step 2: Convert to fraction form
    85,517.02/118,004.34 = 49,699.54/x
  3. Step 3: Cross multiply
    85,517.02x = 118,004.34 × 49,699.54
  4. Step 4: Simplify right side
    85,517.02x = 5,864,761,416.00
  5. Step 5: Solve for x
    x = 5,864,761,416.00/85,517.02
  6. Step 6: Final answer
    x = 68,580.05

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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.