Home / 75,715.58-104,486.09-41,727.21

Finding the Fourth Proportional to 75,715.58, 104,486.09 and 41,727.21

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Solution

The fourth proportional to 75,715.58, 104,486.09 and 41,727.21 is: 57,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.58 : 104,486.09 = 41,727.21 : x
  2. Step 2: Convert to fraction form
    75,715.58/104,486.09 = 41,727.21/x
  3. Step 3: Cross multiply
    75,715.58x = 104,486.09 × 41,727.21
  4. Step 4: Simplify right side
    75,715.58x = 4,359,912,810.87
  5. Step 5: Solve for x
    x = 4,359,912,810.87/75,715.58
  6. Step 6: Final answer
    x = 57,582.77

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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.