Home / 75,769.04-104,561.80-41,778.80

Finding the Fourth Proportional to 75,769.04, 104,561.80 and 41,778.80

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Solution

The fourth proportional to 75,769.04, 104,561.80 and 41,778.80 is: 57,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,769.04 : 104,561.80 = 41,778.80 : x
  2. Step 2: Convert to fraction form
    75,769.04/104,561.80 = 41,778.80/x
  3. Step 3: Cross multiply
    75,769.04x = 104,561.80 × 41,778.80
  4. Step 4: Simplify right side
    75,769.04x = 4,368,466,529.84
  5. Step 5: Solve for x
    x = 4,368,466,529.84/75,769.04
  6. Step 6: Final answer
    x = 57,655.03

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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.