Home / 97,501.68-146,189.43-64,120.68

Finding the Fourth Proportional to 97,501.68, 146,189.43 and 64,120.68

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Solution

The fourth proportional to 97,501.68, 146,189.43 and 64,120.68 is: 96,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,501.68 : 146,189.43 = 64,120.68 : x
  2. Step 2: Convert to fraction form
    97,501.68/146,189.43 = 64,120.68/x
  3. Step 3: Cross multiply
    97,501.68x = 146,189.43 × 64,120.68
  4. Step 4: Simplify right side
    97,501.68x = 9,373,765,660.41
  5. Step 5: Solve for x
    x = 9,373,765,660.41/97,501.68
  6. Step 6: Final answer
    x = 96,139.53

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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.