Home / 96,399.36-133,039.44-53,957.28

Finding the Fourth Proportional to 96,399.36, 133,039.44 and 53,957.28

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Solution

The fourth proportional to 96,399.36, 133,039.44 and 53,957.28 is: 74,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,399.36 : 133,039.44 = 53,957.28 : x
  2. Step 2: Convert to fraction form
    96,399.36/133,039.44 = 53,957.28/x
  3. Step 3: Cross multiply
    96,399.36x = 133,039.44 × 53,957.28
  4. Step 4: Simplify right side
    96,399.36x = 7,178,446,315.12
  5. Step 5: Solve for x
    x = 7,178,446,315.12/96,399.36
  6. Step 6: Final answer
    x = 74,465.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.