Home / 75,862.47-104,689.70-41,870.96

Finding the Fourth Proportional to 75,862.47, 104,689.70 and 41,870.96

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Solution

The fourth proportional to 75,862.47, 104,689.70 and 41,870.96 is: 57,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.47 : 104,689.70 = 41,870.96 : x
  2. Step 2: Convert to fraction form
    75,862.47/104,689.70 = 41,870.96/x
  3. Step 3: Cross multiply
    75,862.47x = 104,689.70 × 41,870.96
  4. Step 4: Simplify right side
    75,862.47x = 4,383,457,508.31
  5. Step 5: Solve for x
    x = 4,383,457,508.31/75,862.47
  6. Step 6: Final answer
    x = 57,781.63

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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.