Home / 74,334.08-111,415.20-34,269.36

Finding the Fourth Proportional to 74,334.08, 111,415.20 and 34,269.36

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Solution

The fourth proportional to 74,334.08, 111,415.20 and 34,269.36 is: 51,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.08 : 111,415.20 = 34,269.36 : x
  2. Step 2: Convert to fraction form
    74,334.08/111,415.20 = 34,269.36/x
  3. Step 3: Cross multiply
    74,334.08x = 111,415.20 × 34,269.36
  4. Step 4: Simplify right side
    74,334.08x = 3,818,127,598.27
  5. Step 5: Solve for x
    x = 3,818,127,598.27/74,334.08
  6. Step 6: Final answer
    x = 51,364.43

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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.