Home / 61,992.20-85,549.64-35,135.16

Finding the Fourth Proportional to 61,992.20, 85,549.64 and 35,135.16

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Solution

The fourth proportional to 61,992.20, 85,549.64 and 35,135.16 is: 48,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.20 : 85,549.64 = 35,135.16 : x
  2. Step 2: Convert to fraction form
    61,992.20/85,549.64 = 35,135.16/x
  3. Step 3: Cross multiply
    61,992.20x = 85,549.64 × 35,135.16
  4. Step 4: Simplify right side
    61,992.20x = 3,005,800,289.34
  5. Step 5: Solve for x
    x = 3,005,800,289.34/61,992.20
  6. Step 6: Final answer
    x = 48,486.75

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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.