Home / 74,548.58-111,820.19-32,428.70

Finding the Fourth Proportional to 74,548.58, 111,820.19 and 32,428.70

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Solution

The fourth proportional to 74,548.58, 111,820.19 and 32,428.70 is: 48,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,548.58 : 111,820.19 = 32,428.70 : x
  2. Step 2: Convert to fraction form
    74,548.58/111,820.19 = 32,428.70/x
  3. Step 3: Cross multiply
    74,548.58x = 111,820.19 × 32,428.70
  4. Step 4: Simplify right side
    74,548.58x = 3,626,182,674.21
  5. Step 5: Solve for x
    x = 3,626,182,674.21/74,548.58
  6. Step 6: Final answer
    x = 48,641.87

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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.