Home / 92,181.51-127,180.94-54,448.47

Finding the Fourth Proportional to 92,181.51, 127,180.94 and 54,448.47

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Solution

The fourth proportional to 92,181.51, 127,180.94 and 54,448.47 is: 75,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,181.51 : 127,180.94 = 54,448.47 : x
  2. Step 2: Convert to fraction form
    92,181.51/127,180.94 = 54,448.47/x
  3. Step 3: Cross multiply
    92,181.51x = 127,180.94 × 54,448.47
  4. Step 4: Simplify right side
    92,181.51x = 6,924,807,323.92
  5. Step 5: Solve for x
    x = 6,924,807,323.92/92,181.51
  6. Step 6: Final answer
    x = 75,121.44

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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.