Home / 97,743.62-146,008.99-70,876.33

Finding the Fourth Proportional to 97,743.62, 146,008.99 and 70,876.33

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Solution

The fourth proportional to 97,743.62, 146,008.99 and 70,876.33 is: 105,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.62 : 146,008.99 = 70,876.33 : x
  2. Step 2: Convert to fraction form
    97,743.62/146,008.99 = 70,876.33/x
  3. Step 3: Cross multiply
    97,743.62x = 146,008.99 × 70,876.33
  4. Step 4: Simplify right side
    97,743.62x = 10,348,580,683.10
  5. Step 5: Solve for x
    x = 10,348,580,683.10/97,743.62
  6. Step 6: Final answer
    x = 105,874.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.