Home / 97,812.91-134,982.38-57,528.37

Finding the Fourth Proportional to 97,812.91, 134,982.38 and 57,528.37

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Solution

The fourth proportional to 97,812.91, 134,982.38 and 57,528.37 is: 79,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,812.91 : 134,982.38 = 57,528.37 : x
  2. Step 2: Convert to fraction form
    97,812.91/134,982.38 = 57,528.37/x
  3. Step 3: Cross multiply
    97,812.91x = 134,982.38 × 57,528.37
  4. Step 4: Simplify right side
    97,812.91x = 7,765,315,675.02
  5. Step 5: Solve for x
    x = 7,765,315,675.02/97,812.91
  6. Step 6: Final answer
    x = 79,389.48

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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.