Home / 97,828.90-146,852.70-75,740.20

Finding the Fourth Proportional to 97,828.90, 146,852.70 and 75,740.20

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Solution

The fourth proportional to 97,828.90, 146,852.70 and 75,740.20 is: 113,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,828.90 : 146,852.70 = 75,740.20 : x
  2. Step 2: Convert to fraction form
    97,828.90/146,852.70 = 75,740.20/x
  3. Step 3: Cross multiply
    97,828.90x = 146,852.70 × 75,740.20
  4. Step 4: Simplify right side
    97,828.90x = 11,122,652,868.54
  5. Step 5: Solve for x
    x = 11,122,652,868.54/97,828.90
  6. Step 6: Final answer
    x = 113,694.96

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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.