Home / 74,606.37-111,853.67-45,017.21

Finding the Fourth Proportional to 74,606.37, 111,853.67 and 45,017.21

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Solution

The fourth proportional to 74,606.37, 111,853.67 and 45,017.21 is: 67,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.37 : 111,853.67 = 45,017.21 : x
  2. Step 2: Convert to fraction form
    74,606.37/111,853.67 = 45,017.21/x
  3. Step 3: Cross multiply
    74,606.37x = 111,853.67 × 45,017.21
  4. Step 4: Simplify right side
    74,606.37x = 5,035,339,367.31
  5. Step 5: Solve for x
    x = 5,035,339,367.31/74,606.37
  6. Step 6: Final answer
    x = 67,492.08

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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.