Home / 69,840.48-104,816.16-36,570.72

Finding the Fourth Proportional to 69,840.48, 104,816.16 and 36,570.72

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Solution

The fourth proportional to 69,840.48, 104,816.16 and 36,570.72 is: 54,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,840.48 : 104,816.16 = 36,570.72 : x
  2. Step 2: Convert to fraction form
    69,840.48/104,816.16 = 36,570.72/x
  3. Step 3: Cross multiply
    69,840.48x = 104,816.16 × 36,570.72
  4. Step 4: Simplify right side
    69,840.48x = 3,833,202,438.84
  5. Step 5: Solve for x
    x = 3,833,202,438.84/69,840.48
  6. Step 6: Final answer
    x = 54,885.11

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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.