Home / 86,103.35-118,832.24-52,130.55

Finding the Fourth Proportional to 86,103.35, 118,832.24 and 52,130.55

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Solution

The fourth proportional to 86,103.35, 118,832.24 and 52,130.55 is: 71,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,103.35 : 118,832.24 = 52,130.55 : x
  2. Step 2: Convert to fraction form
    86,103.35/118,832.24 = 52,130.55/x
  3. Step 3: Cross multiply
    86,103.35x = 118,832.24 × 52,130.55
  4. Step 4: Simplify right side
    86,103.35x = 6,194,790,028.93
  5. Step 5: Solve for x
    x = 6,194,790,028.93/86,103.35
  6. Step 6: Final answer
    x = 71,945.98

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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.