Home / 97,973.38-146,945.49-31,406.59

Finding the Fourth Proportional to 97,973.38, 146,945.49 and 31,406.59

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Solution

The fourth proportional to 97,973.38, 146,945.49 and 31,406.59 is: 47,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,973.38 : 146,945.49 = 31,406.59 : x
  2. Step 2: Convert to fraction form
    97,973.38/146,945.49 = 31,406.59/x
  3. Step 3: Cross multiply
    97,973.38x = 146,945.49 × 31,406.59
  4. Step 4: Simplify right side
    97,973.38x = 4,615,056,756.78
  5. Step 5: Solve for x
    x = 4,615,056,756.78/97,973.38
  6. Step 6: Final answer
    x = 47,105.21

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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.