Home / 74,369.06-111,553.80-52,281.26

Finding the Fourth Proportional to 74,369.06, 111,553.80 and 52,281.26

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Solution

The fourth proportional to 74,369.06, 111,553.80 and 52,281.26 is: 78,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,369.06 : 111,553.80 = 52,281.26 : x
  2. Step 2: Convert to fraction form
    74,369.06/111,553.80 = 52,281.26/x
  3. Step 3: Cross multiply
    74,369.06x = 111,553.80 × 52,281.26
  4. Step 4: Simplify right side
    74,369.06x = 5,832,173,221.79
  5. Step 5: Solve for x
    x = 5,832,173,221.79/74,369.06
  6. Step 6: Final answer
    x = 78,422.04

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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.