Home / 88,512.08-133,435.43-82,804.01

Finding the Fourth Proportional to 88,512.08, 133,435.43 and 82,804.01

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Solution

The fourth proportional to 88,512.08, 133,435.43 and 82,804.01 is: 124,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,512.08 : 133,435.43 = 82,804.01 : x
  2. Step 2: Convert to fraction form
    88,512.08/133,435.43 = 82,804.01/x
  3. Step 3: Cross multiply
    88,512.08x = 133,435.43 × 82,804.01
  4. Step 4: Simplify right side
    88,512.08x = 11,048,988,599.64
  5. Step 5: Solve for x
    x = 11,048,988,599.64/88,512.08
  6. Step 6: Final answer
    x = 124,830.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.