Home / 75,854.04-104,684.51-41,869.28

Finding the Fourth Proportional to 75,854.04, 104,684.51 and 41,869.28

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Solution

The fourth proportional to 75,854.04, 104,684.51 and 41,869.28 is: 57,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,854.04 : 104,684.51 = 41,869.28 : x
  2. Step 2: Convert to fraction form
    75,854.04/104,684.51 = 41,869.28/x
  3. Step 3: Cross multiply
    75,854.04x = 104,684.51 × 41,869.28
  4. Step 4: Simplify right side
    75,854.04x = 4,383,064,642.10
  5. Step 5: Solve for x
    x = 4,383,064,642.10/75,854.04
  6. Step 6: Final answer
    x = 57,782.88

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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.