Home / 75,810.96-104,619.51-41,820.66

Finding the Fourth Proportional to 75,810.96, 104,619.51 and 41,820.66

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Solution

The fourth proportional to 75,810.96, 104,619.51 and 41,820.66 is: 57,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,810.96 : 104,619.51 = 41,820.66 : x
  2. Step 2: Convert to fraction form
    75,810.96/104,619.51 = 41,820.66/x
  3. Step 3: Cross multiply
    75,810.96x = 104,619.51 × 41,820.66
  4. Step 4: Simplify right side
    75,810.96x = 4,375,256,957.08
  5. Step 5: Solve for x
    x = 4,375,256,957.08/75,810.96
  6. Step 6: Final answer
    x = 57,712.72

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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.