Home / 59,971.56-90,110.43-45,318.66

Finding the Fourth Proportional to 59,971.56, 90,110.43 and 45,318.66

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Solution

The fourth proportional to 59,971.56, 90,110.43 and 45,318.66 is: 68,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,971.56 : 90,110.43 = 45,318.66 : x
  2. Step 2: Convert to fraction form
    59,971.56/90,110.43 = 45,318.66/x
  3. Step 3: Cross multiply
    59,971.56x = 90,110.43 × 45,318.66
  4. Step 4: Simplify right side
    59,971.56x = 4,083,683,939.62
  5. Step 5: Solve for x
    x = 4,083,683,939.62/59,971.56
  6. Step 6: Final answer
    x = 68,093.68

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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.