Home / 54,859.68-75,706.50-29,709.18

Finding the Fourth Proportional to 54,859.68, 75,706.50 and 29,709.18

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Solution

The fourth proportional to 54,859.68, 75,706.50 and 29,709.18 is: 40,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,859.68 : 75,706.50 = 29,709.18 : x
  2. Step 2: Convert to fraction form
    54,859.68/75,706.50 = 29,709.18/x
  3. Step 3: Cross multiply
    54,859.68x = 75,706.50 × 29,709.18
  4. Step 4: Simplify right side
    54,859.68x = 2,249,178,035.67
  5. Step 5: Solve for x
    x = 2,249,178,035.67/54,859.68
  6. Step 6: Final answer
    x = 40,998.75

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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.