Home / 74,260.66-111,420.15-32,678.50

Finding the Fourth Proportional to 74,260.66, 111,420.15 and 32,678.50

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Solution

The fourth proportional to 74,260.66, 111,420.15 and 32,678.50 is: 49,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.66 : 111,420.15 = 32,678.50 : x
  2. Step 2: Convert to fraction form
    74,260.66/111,420.15 = 32,678.50/x
  3. Step 3: Cross multiply
    74,260.66x = 111,420.15 × 32,678.50
  4. Step 4: Simplify right side
    74,260.66x = 3,641,043,371.78
  5. Step 5: Solve for x
    x = 3,641,043,371.78/74,260.66
  6. Step 6: Final answer
    x = 49,030.58

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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.