Home / 74,398.35-111,598.46-21,808.89

Finding the Fourth Proportional to 74,398.35, 111,598.46 and 21,808.89

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Solution

The fourth proportional to 74,398.35, 111,598.46 and 21,808.89 is: 32,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,398.35 : 111,598.46 = 21,808.89 : x
  2. Step 2: Convert to fraction form
    74,398.35/111,598.46 = 21,808.89/x
  3. Step 3: Cross multiply
    74,398.35x = 111,598.46 × 21,808.89
  4. Step 4: Simplify right side
    74,398.35x = 2,433,838,429.26
  5. Step 5: Solve for x
    x = 2,433,838,429.26/74,398.35
  6. Step 6: Final answer
    x = 32,713.61

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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.