Home / 89,125.21-133,597.85-55,868.62

Finding the Fourth Proportional to 89,125.21, 133,597.85 and 55,868.62

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Solution

The fourth proportional to 89,125.21, 133,597.85 and 55,868.62 is: 83,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.21 : 133,597.85 = 55,868.62 : x
  2. Step 2: Convert to fraction form
    89,125.21/133,597.85 = 55,868.62/x
  3. Step 3: Cross multiply
    89,125.21x = 133,597.85 × 55,868.62
  4. Step 4: Simplify right side
    89,125.21x = 7,463,928,108.07
  5. Step 5: Solve for x
    x = 7,463,928,108.07/89,125.21
  6. Step 6: Final answer
    x = 83,746.54

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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.