Home / 97,175.28-145,762.96-75,021.04

Finding the Fourth Proportional to 97,175.28, 145,762.96 and 75,021.04

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Solution

The fourth proportional to 97,175.28, 145,762.96 and 75,021.04 is: 112,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,175.28 : 145,762.96 = 75,021.04 : x
  2. Step 2: Convert to fraction form
    97,175.28/145,762.96 = 75,021.04/x
  3. Step 3: Cross multiply
    97,175.28x = 145,762.96 × 75,021.04
  4. Step 4: Simplify right side
    97,175.28x = 10,935,288,852.68
  5. Step 5: Solve for x
    x = 10,935,288,852.68/97,175.28
  6. Step 6: Final answer
    x = 112,531.59

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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.