Home / 68,895.68-95,075.21-38,680.25

Finding the Fourth Proportional to 68,895.68, 95,075.21 and 38,680.25

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Solution

The fourth proportional to 68,895.68, 95,075.21 and 38,680.25 is: 53,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,895.68 : 95,075.21 = 38,680.25 : x
  2. Step 2: Convert to fraction form
    68,895.68/95,075.21 = 38,680.25/x
  3. Step 3: Cross multiply
    68,895.68x = 95,075.21 × 38,680.25
  4. Step 4: Simplify right side
    68,895.68x = 3,677,532,222.83
  5. Step 5: Solve for x
    x = 3,677,532,222.83/68,895.68
  6. Step 6: Final answer
    x = 53,378.27

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1.5x scale

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.