Home / 97,741.08-146,601.90-45,149.81

Finding the Fourth Proportional to 97,741.08, 146,601.90 and 45,149.81

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Solution

The fourth proportional to 97,741.08, 146,601.90 and 45,149.81 is: 67,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,741.08 : 146,601.90 = 45,149.81 : x
  2. Step 2: Convert to fraction form
    97,741.08/146,601.90 = 45,149.81/x
  3. Step 3: Cross multiply
    97,741.08x = 146,601.90 × 45,149.81
  4. Step 4: Simplify right side
    97,741.08x = 6,619,047,197.63
  5. Step 5: Solve for x
    x = 6,619,047,197.63/97,741.08
  6. Step 6: Final answer
    x = 67,720.22

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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.