Home / 69,094.36-103,102.67-61,647.64

Finding the Fourth Proportional to 69,094.36, 103,102.67 and 61,647.64

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Solution

The fourth proportional to 69,094.36, 103,102.67 and 61,647.64 is: 91,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,094.36 : 103,102.67 = 61,647.64 : x
  2. Step 2: Convert to fraction form
    69,094.36/103,102.67 = 61,647.64/x
  3. Step 3: Cross multiply
    69,094.36x = 103,102.67 × 61,647.64
  4. Step 4: Simplify right side
    69,094.36x = 6,356,036,283.20
  5. Step 5: Solve for x
    x = 6,356,036,283.20/69,094.36
  6. Step 6: Final answer
    x = 91,990.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.