Home / 54,909.09-82,347.30-23,318.70

Finding the Fourth Proportional to 54,909.09, 82,347.30 and 23,318.70

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Solution

The fourth proportional to 54,909.09, 82,347.30 and 23,318.70 is: 34,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.09 : 82,347.30 = 23,318.70 : x
  2. Step 2: Convert to fraction form
    54,909.09/82,347.30 = 23,318.70/x
  3. Step 3: Cross multiply
    54,909.09x = 82,347.30 × 23,318.70
  4. Step 4: Simplify right side
    54,909.09x = 1,920,231,984.51
  5. Step 5: Solve for x
    x = 1,920,231,984.51/54,909.09
  6. Step 6: Final answer
    x = 34,971.11

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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.