Home / 96,603.36-133,112.88-77,664.48

Finding the Fourth Proportional to 96,603.36, 133,112.88 and 77,664.48

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Solution

The fourth proportional to 96,603.36, 133,112.88 and 77,664.48 is: 107,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,603.36 : 133,112.88 = 77,664.48 : x
  2. Step 2: Convert to fraction form
    96,603.36/133,112.88 = 77,664.48/x
  3. Step 3: Cross multiply
    96,603.36x = 133,112.88 × 77,664.48
  4. Step 4: Simplify right side
    96,603.36x = 10,338,142,606.50
  5. Step 5: Solve for x
    x = 10,338,142,606.50/96,603.36
  6. Step 6: Final answer
    x = 107,016.39

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1.5x scale

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.