Home / 82,611.74-123,907.08-26,457.68

Finding the Fourth Proportional to 82,611.74, 123,907.08 and 26,457.68

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Solution

The fourth proportional to 82,611.74, 123,907.08 and 26,457.68 is: 39,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,611.74 : 123,907.08 = 26,457.68 : x
  2. Step 2: Convert to fraction form
    82,611.74/123,907.08 = 26,457.68/x
  3. Step 3: Cross multiply
    82,611.74x = 123,907.08 × 26,457.68
  4. Step 4: Simplify right side
    82,611.74x = 3,278,293,872.37
  5. Step 5: Solve for x
    x = 3,278,293,872.37/82,611.74
  6. Step 6: Final answer
    x = 39,683.15

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1.5x scale

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.