Home / 85,608.45-118,187.18-51,625.55

Finding the Fourth Proportional to 85,608.45, 118,187.18 and 51,625.55

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Solution

The fourth proportional to 85,608.45, 118,187.18 and 51,625.55 is: 71,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,608.45 : 118,187.18 = 51,625.55 : x
  2. Step 2: Convert to fraction form
    85,608.45/118,187.18 = 51,625.55/x
  3. Step 3: Cross multiply
    85,608.45x = 118,187.18 × 51,625.55
  4. Step 4: Simplify right side
    85,608.45x = 6,101,477,923.79
  5. Step 5: Solve for x
    x = 6,101,477,923.79/85,608.45
  6. Step 6: Final answer
    x = 71,271.91

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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.