Home / 75,465.46-104,143.28-41,477.66

Finding the Fourth Proportional to 75,465.46, 104,143.28 and 41,477.66

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Solution

The fourth proportional to 75,465.46, 104,143.28 and 41,477.66 is: 57,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.46 : 104,143.28 = 41,477.66 : x
  2. Step 2: Convert to fraction form
    75,465.46/104,143.28 = 41,477.66/x
  3. Step 3: Cross multiply
    75,465.46x = 104,143.28 × 41,477.66
  4. Step 4: Simplify right side
    75,465.46x = 4,319,619,559.12
  5. Step 5: Solve for x
    x = 4,319,619,559.12/75,465.46
  6. Step 6: Final answer
    x = 57,239.69

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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.