Home / 54,576.34-75,315.23-30,703.03

Finding the Fourth Proportional to 54,576.34, 75,315.23 and 30,703.03

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Solution

The fourth proportional to 54,576.34, 75,315.23 and 30,703.03 is: 42,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.34 : 75,315.23 = 30,703.03 : x
  2. Step 2: Convert to fraction form
    54,576.34/75,315.23 = 30,703.03/x
  3. Step 3: Cross multiply
    54,576.34x = 75,315.23 × 30,703.03
  4. Step 4: Simplify right side
    54,576.34x = 2,312,405,539.48
  5. Step 5: Solve for x
    x = 2,312,405,539.48/54,576.34
  6. Step 6: Final answer
    x = 42,370.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.