Home / 69,415.02-104,048.82-36,101.75

Finding the Fourth Proportional to 69,415.02, 104,048.82 and 36,101.75

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Solution

The fourth proportional to 69,415.02, 104,048.82 and 36,101.75 is: 54,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,415.02 : 104,048.82 = 36,101.75 : x
  2. Step 2: Convert to fraction form
    69,415.02/104,048.82 = 36,101.75/x
  3. Step 3: Cross multiply
    69,415.02x = 104,048.82 × 36,101.75
  4. Step 4: Simplify right side
    69,415.02x = 3,756,343,967.19
  5. Step 5: Solve for x
    x = 3,756,343,967.19/69,415.02
  6. Step 6: Final answer
    x = 54,114.28

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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.