Home / 89,127.06-133,600.57-55,870.43

Finding the Fourth Proportional to 89,127.06, 133,600.57 and 55,870.43

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Solution

The fourth proportional to 89,127.06, 133,600.57 and 55,870.43 is: 83,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.06 : 133,600.57 = 55,870.43 : x
  2. Step 2: Convert to fraction form
    89,127.06/133,600.57 = 55,870.43/x
  3. Step 3: Cross multiply
    89,127.06x = 133,600.57 × 55,870.43
  4. Step 4: Simplify right side
    89,127.06x = 7,464,321,294.15
  5. Step 5: Solve for x
    x = 7,464,321,294.15/89,127.06
  6. Step 6: Final answer
    x = 83,749.21

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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.