Home / 54,648.90-75,418.29-33,421.50

Finding the Fourth Proportional to 54,648.90, 75,418.29 and 33,421.50

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Solution

The fourth proportional to 54,648.90, 75,418.29 and 33,421.50 is: 46,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,648.90 : 75,418.29 = 33,421.50 : x
  2. Step 2: Convert to fraction form
    54,648.90/75,418.29 = 33,421.50/x
  3. Step 3: Cross multiply
    54,648.90x = 75,418.29 × 33,421.50
  4. Step 4: Simplify right side
    54,648.90x = 2,520,592,379.24
  5. Step 5: Solve for x
    x = 2,520,592,379.24/54,648.90
  6. Step 6: Final answer
    x = 46,123.39

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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.