Home / 97,983.51-135,213.30-57,698.97

Finding the Fourth Proportional to 97,983.51, 135,213.30 and 57,698.97

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Solution

The fourth proportional to 97,983.51, 135,213.30 and 57,698.97 is: 79,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,983.51 : 135,213.30 = 57,698.97 : x
  2. Step 2: Convert to fraction form
    97,983.51/135,213.30 = 57,698.97/x
  3. Step 3: Cross multiply
    97,983.51x = 135,213.30 × 57,698.97
  4. Step 4: Simplify right side
    97,983.51x = 7,801,668,140.30
  5. Step 5: Solve for x
    x = 7,801,668,140.30/97,983.51
  6. Step 6: Final answer
    x = 79,622.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.