Home / 85,749.60-118,334.28-48,024.12

Finding the Fourth Proportional to 85,749.60, 118,334.28 and 48,024.12

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Solution

The fourth proportional to 85,749.60, 118,334.28 and 48,024.12 is: 66,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,749.60 : 118,334.28 = 48,024.12 : x
  2. Step 2: Convert to fraction form
    85,749.60/118,334.28 = 48,024.12/x
  3. Step 3: Cross multiply
    85,749.60x = 118,334.28 × 48,024.12
  4. Step 4: Simplify right side
    85,749.60x = 5,682,899,662.83
  5. Step 5: Solve for x
    x = 5,682,899,662.83/85,749.60
  6. Step 6: Final answer
    x = 66,273.19

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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.