Home / 85,917.36-118,571.40-48,197.28

Finding the Fourth Proportional to 85,917.36, 118,571.40 and 48,197.28

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Solution

The fourth proportional to 85,917.36, 118,571.40 and 48,197.28 is: 66,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,917.36 : 118,571.40 = 48,197.28 : x
  2. Step 2: Convert to fraction form
    85,917.36/118,571.40 = 48,197.28/x
  3. Step 3: Cross multiply
    85,917.36x = 118,571.40 × 48,197.28
  4. Step 4: Simplify right side
    85,917.36x = 5,714,818,965.79
  5. Step 5: Solve for x
    x = 5,714,818,965.79/85,917.36
  6. Step 6: Final answer
    x = 66,515.30

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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.