Home / 96,991.30-145,489.38-26,871.22

Finding the Fourth Proportional to 96,991.30, 145,489.38 and 26,871.22

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Solution

The fourth proportional to 96,991.30, 145,489.38 and 26,871.22 is: 40,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,991.30 : 145,489.38 = 26,871.22 : x
  2. Step 2: Convert to fraction form
    96,991.30/145,489.38 = 26,871.22/x
  3. Step 3: Cross multiply
    96,991.30x = 145,489.38 × 26,871.22
  4. Step 4: Simplify right side
    96,991.30x = 3,909,477,137.64
  5. Step 5: Solve for x
    x = 3,909,477,137.64/96,991.30
  6. Step 6: Final answer
    x = 40,307.50

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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.