Home / 97,869.77-146,802.68-31,309.89

Finding the Fourth Proportional to 97,869.77, 146,802.68 and 31,309.89

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Solution

The fourth proportional to 97,869.77, 146,802.68 and 31,309.89 is: 46,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,869.77 : 146,802.68 = 31,309.89 : x
  2. Step 2: Convert to fraction form
    97,869.77/146,802.68 = 31,309.89/x
  3. Step 3: Cross multiply
    97,869.77x = 146,802.68 × 31,309.89
  4. Step 4: Simplify right side
    97,869.77x = 4,596,375,998.62
  5. Step 5: Solve for x
    x = 4,596,375,998.62/97,869.77
  6. Step 6: Final answer
    x = 46,964.21

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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.