Home / 95,569.95-143,372.20-39,378.79

Finding the Fourth Proportional to 95,569.95, 143,372.20 and 39,378.79

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Solution

The fourth proportional to 95,569.95, 143,372.20 and 39,378.79 is: 59,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,569.95 : 143,372.20 = 39,378.79 : x
  2. Step 2: Convert to fraction form
    95,569.95/143,372.20 = 39,378.79/x
  3. Step 3: Cross multiply
    95,569.95x = 143,372.20 × 39,378.79
  4. Step 4: Simplify right side
    95,569.95x = 5,645,823,755.64
  5. Step 5: Solve for x
    x = 5,645,823,755.64/95,569.95
  6. Step 6: Final answer
    x = 59,075.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.