Home / 68,895.93-95,075.55-38,680.50

Finding the Fourth Proportional to 68,895.93, 95,075.55 and 38,680.50

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Solution

The fourth proportional to 68,895.93, 95,075.55 and 38,680.50 is: 53,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,895.93 : 95,075.55 = 38,680.50 : x
  2. Step 2: Convert to fraction form
    68,895.93/95,075.55 = 38,680.50/x
  3. Step 3: Cross multiply
    68,895.93x = 95,075.55 × 38,680.50
  4. Step 4: Simplify right side
    68,895.93x = 3,677,569,811.78
  5. Step 5: Solve for x
    x = 3,677,569,811.78/68,895.93
  6. Step 6: Final answer
    x = 53,378.62

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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.