Home / 82,047.10-123,070.65-26,643.10

Finding the Fourth Proportional to 82,047.10, 123,070.65 and 26,643.10

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Solution

The fourth proportional to 82,047.10, 123,070.65 and 26,643.10 is: 39,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,047.10 : 123,070.65 = 26,643.10 : x
  2. Step 2: Convert to fraction form
    82,047.10/123,070.65 = 26,643.10/x
  3. Step 3: Cross multiply
    82,047.10x = 123,070.65 × 26,643.10
  4. Step 4: Simplify right side
    82,047.10x = 3,278,983,019.66
  5. Step 5: Solve for x
    x = 3,278,983,019.66/82,047.10
  6. Step 6: Final answer
    x = 39,964.64

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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.