Home / 74,139.08-111,219.98-24,902.60

Finding the Fourth Proportional to 74,139.08, 111,219.98 and 24,902.60

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Solution

The fourth proportional to 74,139.08, 111,219.98 and 24,902.60 is: 37,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,139.08 : 111,219.98 = 24,902.60 : x
  2. Step 2: Convert to fraction form
    74,139.08/111,219.98 = 24,902.60/x
  3. Step 3: Cross multiply
    74,139.08x = 111,219.98 × 24,902.60
  4. Step 4: Simplify right side
    74,139.08x = 2,769,666,673.95
  5. Step 5: Solve for x
    x = 2,769,666,673.95/74,139.08
  6. Step 6: Final answer
    x = 37,357.72

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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.