Home / 82,028.68-123,060.18-34,643.92

Finding the Fourth Proportional to 82,028.68, 123,060.18 and 34,643.92

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Solution

The fourth proportional to 82,028.68, 123,060.18 and 34,643.92 is: 51,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,028.68 : 123,060.18 = 34,643.92 : x
  2. Step 2: Convert to fraction form
    82,028.68/123,060.18 = 34,643.92/x
  3. Step 3: Cross multiply
    82,028.68x = 123,060.18 × 34,643.92
  4. Step 4: Simplify right side
    82,028.68x = 4,263,287,031.11
  5. Step 5: Solve for x
    x = 4,263,287,031.11/82,028.68
  6. Step 6: Final answer
    x = 51,973.13

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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.