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Finding the Fourth Proportional to 69,599.88, 104,365.80 and 48,550.01

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Solution

The fourth proportional to 69,599.88, 104,365.80 and 48,550.01 is: 72,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,599.88 : 104,365.80 = 48,550.01 : x
  2. Step 2: Convert to fraction form
    69,599.88/104,365.80 = 48,550.01/x
  3. Step 3: Cross multiply
    69,599.88x = 104,365.80 × 48,550.01
  4. Step 4: Simplify right side
    69,599.88x = 5,066,960,111.83
  5. Step 5: Solve for x
    x = 5,066,960,111.83/69,599.88
  6. Step 6: Final answer
    x = 72,801.28

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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.