Home / 82,256.70-123,397.20-26,102.10

Finding the Fourth Proportional to 82,256.70, 123,397.20 and 26,102.10

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Solution

The fourth proportional to 82,256.70, 123,397.20 and 26,102.10 is: 39,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,256.70 : 123,397.20 = 26,102.10 : x
  2. Step 2: Convert to fraction form
    82,256.70/123,397.20 = 26,102.10/x
  3. Step 3: Cross multiply
    82,256.70x = 123,397.20 × 26,102.10
  4. Step 4: Simplify right side
    82,256.70x = 3,220,926,054.12
  5. Step 5: Solve for x
    x = 3,220,926,054.12/82,256.70
  6. Step 6: Final answer
    x = 39,157.01

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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.