Home / 98,934.63-148,408.83-39,770.34

Finding the Fourth Proportional to 98,934.63, 148,408.83 and 39,770.34

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Solution

The fourth proportional to 98,934.63, 148,408.83 and 39,770.34 is: 59,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,934.63 : 148,408.83 = 39,770.34 : x
  2. Step 2: Convert to fraction form
    98,934.63/148,408.83 = 39,770.34/x
  3. Step 3: Cross multiply
    98,934.63x = 148,408.83 × 39,770.34
  4. Step 4: Simplify right side
    98,934.63x = 5,902,269,628.10
  5. Step 5: Solve for x
    x = 5,902,269,628.10/98,934.63
  6. Step 6: Final answer
    x = 59,658.28

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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.