Home / 85,906.25-118,602.47-56,150.09

Finding the Fourth Proportional to 85,906.25, 118,602.47 and 56,150.09

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Solution

The fourth proportional to 85,906.25, 118,602.47 and 56,150.09 is: 77,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,906.25 : 118,602.47 = 56,150.09 : x
  2. Step 2: Convert to fraction form
    85,906.25/118,602.47 = 56,150.09/x
  3. Step 3: Cross multiply
    85,906.25x = 118,602.47 × 56,150.09
  4. Step 4: Simplify right side
    85,906.25x = 6,659,539,083.97
  5. Step 5: Solve for x
    x = 6,659,539,083.97/85,906.25
  6. Step 6: Final answer
    x = 77,521.01

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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.