Home / 75,715.32-104,485.74-41,726.96

Finding the Fourth Proportional to 75,715.32, 104,485.74 and 41,726.96

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Solution

The fourth proportional to 75,715.32, 104,485.74 and 41,726.96 is: 57,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.32 : 104,485.74 = 41,726.96 : x
  2. Step 2: Convert to fraction form
    75,715.32/104,485.74 = 41,726.96/x
  3. Step 3: Cross multiply
    75,715.32x = 104,485.74 × 41,726.96
  4. Step 4: Simplify right side
    75,715.32x = 4,359,871,771.12
  5. Step 5: Solve for x
    x = 4,359,871,771.12/75,715.32
  6. Step 6: Final answer
    x = 57,582.43

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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.