Home / 75,737.16-104,512.53-41,743.78

Finding the Fourth Proportional to 75,737.16, 104,512.53 and 41,743.78

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Solution

The fourth proportional to 75,737.16, 104,512.53 and 41,743.78 is: 57,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,737.16 : 104,512.53 = 41,743.78 : x
  2. Step 2: Convert to fraction form
    75,737.16/104,512.53 = 41,743.78/x
  3. Step 3: Cross multiply
    75,737.16x = 104,512.53 × 41,743.78
  4. Step 4: Simplify right side
    75,737.16x = 4,362,748,278.11
  5. Step 5: Solve for x
    x = 4,362,748,278.11/75,737.16
  6. Step 6: Final answer
    x = 57,603.80

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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.