Home / 85,984.82-118,664.37-57,255.22

Finding the Fourth Proportional to 85,984.82, 118,664.37 and 57,255.22

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Solution

The fourth proportional to 85,984.82, 118,664.37 and 57,255.22 is: 79,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,984.82 : 118,664.37 = 57,255.22 : x
  2. Step 2: Convert to fraction form
    85,984.82/118,664.37 = 57,255.22/x
  3. Step 3: Cross multiply
    85,984.82x = 118,664.37 × 57,255.22
  4. Step 4: Simplify right side
    85,984.82x = 6,794,154,610.51
  5. Step 5: Solve for x
    x = 6,794,154,610.51/85,984.82
  6. Step 6: Final answer
    x = 79,015.74

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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.