Home / 75,920.76-104,765.16-41,923.80

Finding the Fourth Proportional to 75,920.76, 104,765.16 and 41,923.80

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Solution

The fourth proportional to 75,920.76, 104,765.16 and 41,923.80 is: 57,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,920.76 : 104,765.16 = 41,923.80 : x
  2. Step 2: Convert to fraction form
    75,920.76/104,765.16 = 41,923.80/x
  3. Step 3: Cross multiply
    75,920.76x = 104,765.16 × 41,923.80
  4. Step 4: Simplify right side
    75,920.76x = 4,392,153,614.81
  5. Step 5: Solve for x
    x = 4,392,153,614.81/75,920.76
  6. Step 6: Final answer
    x = 57,851.81

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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.