Home / 74,602.37-111,862.65-29,578.11

Finding the Fourth Proportional to 74,602.37, 111,862.65 and 29,578.11

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Solution

The fourth proportional to 74,602.37, 111,862.65 and 29,578.11 is: 44,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.37 : 111,862.65 = 29,578.11 : x
  2. Step 2: Convert to fraction form
    74,602.37/111,862.65 = 29,578.11/x
  3. Step 3: Cross multiply
    74,602.37x = 111,862.65 × 29,578.11
  4. Step 4: Simplify right side
    74,602.37x = 3,308,685,766.59
  5. Step 5: Solve for x
    x = 3,308,685,766.59/74,602.37
  6. Step 6: Final answer
    x = 44,350.95

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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.