Home / 89,028.10-133,369.35-82,807.30

Finding the Fourth Proportional to 89,028.10, 133,369.35 and 82,807.30

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Solution

The fourth proportional to 89,028.10, 133,369.35 and 82,807.30 is: 124,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.10 : 133,369.35 = 82,807.30 : x
  2. Step 2: Convert to fraction form
    89,028.10/133,369.35 = 82,807.30/x
  3. Step 3: Cross multiply
    89,028.10x = 133,369.35 × 82,807.30
  4. Step 4: Simplify right side
    89,028.10x = 11,043,955,776.26
  5. Step 5: Solve for x
    x = 11,043,955,776.26/89,028.10
  6. Step 6: Final answer
    x = 124,050.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.