Home / 75,777.18-104,570.22-41,785.65

Finding the Fourth Proportional to 75,777.18, 104,570.22 and 41,785.65

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Solution

The fourth proportional to 75,777.18, 104,570.22 and 41,785.65 is: 57,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,777.18 : 104,570.22 = 41,785.65 : x
  2. Step 2: Convert to fraction form
    75,777.18/104,570.22 = 41,785.65/x
  3. Step 3: Cross multiply
    75,777.18x = 104,570.22 × 41,785.65
  4. Step 4: Simplify right side
    75,777.18x = 4,369,534,613.34
  5. Step 5: Solve for x
    x = 4,369,534,613.34/75,777.18
  6. Step 6: Final answer
    x = 57,662.94

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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.