Home / 96,871.04-133,678.32-54,431.36

Finding the Fourth Proportional to 96,871.04, 133,678.32 and 54,431.36

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Solution

The fourth proportional to 96,871.04, 133,678.32 and 54,431.36 is: 75,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,871.04 : 133,678.32 = 54,431.36 : x
  2. Step 2: Convert to fraction form
    96,871.04/133,678.32 = 54,431.36/x
  3. Step 3: Cross multiply
    96,871.04x = 133,678.32 × 54,431.36
  4. Step 4: Simplify right side
    96,871.04x = 7,276,292,760.12
  5. Step 5: Solve for x
    x = 7,276,292,760.12/96,871.04
  6. Step 6: Final answer
    x = 75,113.19

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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.