Home / 63,680.55-87,874.89-34,999.59

Finding the Fourth Proportional to 63,680.55, 87,874.89 and 34,999.59

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Solution

The fourth proportional to 63,680.55, 87,874.89 and 34,999.59 is: 48,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.55 : 87,874.89 = 34,999.59 : x
  2. Step 2: Convert to fraction form
    63,680.55/87,874.89 = 34,999.59/x
  3. Step 3: Cross multiply
    63,680.55x = 87,874.89 × 34,999.59
  4. Step 4: Simplify right side
    63,680.55x = 3,075,585,121.30
  5. Step 5: Solve for x
    x = 3,075,585,121.30/63,680.55
  6. Step 6: Final answer
    x = 48,297.09

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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.