Home / 85,857.22-118,481.85-48,131.14

Finding the Fourth Proportional to 85,857.22, 118,481.85 and 48,131.14

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Solution

The fourth proportional to 85,857.22, 118,481.85 and 48,131.14 is: 66,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,857.22 : 118,481.85 = 48,131.14 : x
  2. Step 2: Convert to fraction form
    85,857.22/118,481.85 = 48,131.14/x
  3. Step 3: Cross multiply
    85,857.22x = 118,481.85 × 48,131.14
  4. Step 4: Simplify right side
    85,857.22x = 5,702,666,509.81
  5. Step 5: Solve for x
    x = 5,702,666,509.81/85,857.22
  6. Step 6: Final answer
    x = 66,420.35

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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.