Home / 96,429.46-133,072.56-53,988.02

Finding the Fourth Proportional to 96,429.46, 133,072.56 and 53,988.02

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Solution

The fourth proportional to 96,429.46, 133,072.56 and 53,988.02 is: 74,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,429.46 : 133,072.56 = 53,988.02 : x
  2. Step 2: Convert to fraction form
    96,429.46/133,072.56 = 53,988.02/x
  3. Step 3: Cross multiply
    96,429.46x = 133,072.56 × 53,988.02
  4. Step 4: Simplify right side
    96,429.46x = 7,184,324,030.73
  5. Step 5: Solve for x
    x = 7,184,324,030.73/96,429.46
  6. Step 6: Final answer
    x = 74,503.41

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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.