Home / 75,611.20-104,341.44-42,076.48

Finding the Fourth Proportional to 75,611.20, 104,341.44 and 42,076.48

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Solution

The fourth proportional to 75,611.20, 104,341.44 and 42,076.48 is: 58,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,611.20 : 104,341.44 = 42,076.48 : x
  2. Step 2: Convert to fraction form
    75,611.20/104,341.44 = 42,076.48/x
  3. Step 3: Cross multiply
    75,611.20x = 104,341.44 × 42,076.48
  4. Step 4: Simplify right side
    75,611.20x = 4,390,320,513.33
  5. Step 5: Solve for x
    x = 4,390,320,513.33/75,611.20
  6. Step 6: Final answer
    x = 58,064.42

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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.