Home / 82,106.16-123,109.74-32,126.58

Finding the Fourth Proportional to 82,106.16, 123,109.74 and 32,126.58

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Solution

The fourth proportional to 82,106.16, 123,109.74 and 32,126.58 is: 48,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,106.16 : 123,109.74 = 32,126.58 : x
  2. Step 2: Convert to fraction form
    82,106.16/123,109.74 = 32,126.58/x
  3. Step 3: Cross multiply
    82,106.16x = 123,109.74 × 32,126.58
  4. Step 4: Simplify right side
    82,106.16x = 3,955,094,910.89
  5. Step 5: Solve for x
    x = 3,955,094,910.89/82,106.16
  6. Step 6: Final answer
    x = 48,170.50

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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.