Home / 85,918.72-118,573.44-48,195.52

Finding the Fourth Proportional to 85,918.72, 118,573.44 and 48,195.52

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Solution

The fourth proportional to 85,918.72, 118,573.44 and 48,195.52 is: 66,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,918.72 : 118,573.44 = 48,195.52 : x
  2. Step 2: Convert to fraction form
    85,918.72/118,573.44 = 48,195.52/x
  3. Step 3: Cross multiply
    85,918.72x = 118,573.44 × 48,195.52
  4. Step 4: Simplify right side
    85,918.72x = 5,714,708,598.99
  5. Step 5: Solve for x
    x = 5,714,708,598.99/85,918.72
  6. Step 6: Final answer
    x = 66,512.96

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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.