Home / 96,807.81-145,189.89-40,711.26

Finding the Fourth Proportional to 96,807.81, 145,189.89 and 40,711.26

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Solution

The fourth proportional to 96,807.81, 145,189.89 and 40,711.26 is: 61,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,807.81 : 145,189.89 = 40,711.26 : x
  2. Step 2: Convert to fraction form
    96,807.81/145,189.89 = 40,711.26/x
  3. Step 3: Cross multiply
    96,807.81x = 145,189.89 × 40,711.26
  4. Step 4: Simplify right side
    96,807.81x = 5,910,863,361.16
  5. Step 5: Solve for x
    x = 5,910,863,361.16/96,807.81
  6. Step 6: Final answer
    x = 61,057.71

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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.