Home / 97,938.50-146,949.32-53,513.36

Finding the Fourth Proportional to 97,938.50, 146,949.32 and 53,513.36

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Solution

The fourth proportional to 97,938.50, 146,949.32 and 53,513.36 is: 80,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,938.50 : 146,949.32 = 53,513.36 : x
  2. Step 2: Convert to fraction form
    97,938.50/146,949.32 = 53,513.36/x
  3. Step 3: Cross multiply
    97,938.50x = 146,949.32 × 53,513.36
  4. Step 4: Simplify right side
    97,938.50x = 7,863,751,128.17
  5. Step 5: Solve for x
    x = 7,863,751,128.17/97,938.50
  6. Step 6: Final answer
    x = 80,292.75

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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.