Home / 96,429.45-133,072.56-53,988.03

Finding the Fourth Proportional to 96,429.45, 133,072.56 and 53,988.03

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Solution

The fourth proportional to 96,429.45, 133,072.56 and 53,988.03 is: 74,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,429.45 : 133,072.56 = 53,988.03 : x
  2. Step 2: Convert to fraction form
    96,429.45/133,072.56 = 53,988.03/x
  3. Step 3: Cross multiply
    96,429.45x = 133,072.56 × 53,988.03
  4. Step 4: Simplify right side
    96,429.45x = 7,184,325,361.46
  5. Step 5: Solve for x
    x = 7,184,325,361.46/96,429.45
  6. Step 6: Final answer
    x = 74,503.44

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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.