Home / 75,680.16-104,438.64-43,867.51

Finding the Fourth Proportional to 75,680.16, 104,438.64 and 43,867.51

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Solution

The fourth proportional to 75,680.16, 104,438.64 and 43,867.51 is: 60,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.16 : 104,438.64 = 43,867.51 : x
  2. Step 2: Convert to fraction form
    75,680.16/104,438.64 = 43,867.51/x
  3. Step 3: Cross multiply
    75,680.16x = 104,438.64 × 43,867.51
  4. Step 4: Simplify right side
    75,680.16x = 4,581,462,864.62
  5. Step 5: Solve for x
    x = 4,581,462,864.62/75,680.16
  6. Step 6: Final answer
    x = 60,537.18

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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.