Home / 97,730.70-146,596.05-74,111.10

Finding the Fourth Proportional to 97,730.70, 146,596.05 and 74,111.10

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Solution

The fourth proportional to 97,730.70, 146,596.05 and 74,111.10 is: 111,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.70 : 146,596.05 = 74,111.10 : x
  2. Step 2: Convert to fraction form
    97,730.70/146,596.05 = 74,111.10/x
  3. Step 3: Cross multiply
    97,730.70x = 146,596.05 × 74,111.10
  4. Step 4: Simplify right side
    97,730.70x = 10,864,394,521.16
  5. Step 5: Solve for x
    x = 10,864,394,521.16/97,730.70
  6. Step 6: Final answer
    x = 111,166.65

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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.