Home / 89,907.83-124,088.87-53,611.61

Finding the Fourth Proportional to 89,907.83, 124,088.87 and 53,611.61

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Solution

The fourth proportional to 89,907.83, 124,088.87 and 53,611.61 is: 73,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,907.83 : 124,088.87 = 53,611.61 : x
  2. Step 2: Convert to fraction form
    89,907.83/124,088.87 = 53,611.61/x
  3. Step 3: Cross multiply
    89,907.83x = 124,088.87 × 53,611.61
  4. Step 4: Simplify right side
    89,907.83x = 6,652,603,617.37
  5. Step 5: Solve for x
    x = 6,652,603,617.37/89,907.83
  6. Step 6: Final answer
    x = 73,993.60

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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.