Home / 75,218.07-103,787.33-48,354.42

Finding the Fourth Proportional to 75,218.07, 103,787.33 and 48,354.42

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Solution

The fourth proportional to 75,218.07, 103,787.33 and 48,354.42 is: 66,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,218.07 : 103,787.33 = 48,354.42 : x
  2. Step 2: Convert to fraction form
    75,218.07/103,787.33 = 48,354.42/x
  3. Step 3: Cross multiply
    75,218.07x = 103,787.33 × 48,354.42
  4. Step 4: Simplify right side
    75,218.07x = 5,018,575,903.73
  5. Step 5: Solve for x
    x = 5,018,575,903.73/75,218.07
  6. Step 6: Final answer
    x = 66,720.35

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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.