Home / 97,113.72-145,399.62-49,626.66

Finding the Fourth Proportional to 97,113.72, 145,399.62 and 49,626.66

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Solution

The fourth proportional to 97,113.72, 145,399.62 and 49,626.66 is: 74,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,113.72 : 145,399.62 = 49,626.66 : x
  2. Step 2: Convert to fraction form
    97,113.72/145,399.62 = 49,626.66/x
  3. Step 3: Cross multiply
    97,113.72x = 145,399.62 × 49,626.66
  4. Step 4: Simplify right side
    97,113.72x = 7,215,697,505.87
  5. Step 5: Solve for x
    x = 7,215,697,505.87/97,113.72
  6. Step 6: Final answer
    x = 74,301.53

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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.