Home / 85,650.08-118,190.75-49,833.90

Finding the Fourth Proportional to 85,650.08, 118,190.75 and 49,833.90

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Solution

The fourth proportional to 85,650.08, 118,190.75 and 49,833.90 is: 68,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,650.08 : 118,190.75 = 49,833.90 : x
  2. Step 2: Convert to fraction form
    85,650.08/118,190.75 = 49,833.90/x
  3. Step 3: Cross multiply
    85,650.08x = 118,190.75 × 49,833.90
  4. Step 4: Simplify right side
    85,650.08x = 5,889,905,767.26
  5. Step 5: Solve for x
    x = 5,889,905,767.26/85,650.08
  6. Step 6: Final answer
    x = 68,767.08

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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.