Home / 75,391.76-104,036.58-41,393.63

Finding the Fourth Proportional to 75,391.76, 104,036.58 and 41,393.63

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Solution

The fourth proportional to 75,391.76, 104,036.58 and 41,393.63 is: 57,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,391.76 : 104,036.58 = 41,393.63 : x
  2. Step 2: Convert to fraction form
    75,391.76/104,036.58 = 41,393.63/x
  3. Step 3: Cross multiply
    75,391.76x = 104,036.58 × 41,393.63
  4. Step 4: Simplify right side
    75,391.76x = 4,306,451,178.80
  5. Step 5: Solve for x
    x = 4,306,451,178.80/75,391.76
  6. Step 6: Final answer
    x = 57,120.98

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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.