Home / 74,557.20-111,720.94-34,551.50

Finding the Fourth Proportional to 74,557.20, 111,720.94 and 34,551.50

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Solution

The fourth proportional to 74,557.20, 111,720.94 and 34,551.50 is: 51,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.20 : 111,720.94 = 34,551.50 : x
  2. Step 2: Convert to fraction form
    74,557.20/111,720.94 = 34,551.50/x
  3. Step 3: Cross multiply
    74,557.20x = 111,720.94 × 34,551.50
  4. Step 4: Simplify right side
    74,557.20x = 3,860,126,058.41
  5. Step 5: Solve for x
    x = 3,860,126,058.41/74,557.20
  6. Step 6: Final answer
    x = 51,774.02

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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.