Home / 52,669.79-72,684.53-28,796.45

Finding the Fourth Proportional to 52,669.79, 72,684.53 and 28,796.45

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Solution

The fourth proportional to 52,669.79, 72,684.53 and 28,796.45 is: 39,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.79 : 72,684.53 = 28,796.45 : x
  2. Step 2: Convert to fraction form
    52,669.79/72,684.53 = 28,796.45/x
  3. Step 3: Cross multiply
    52,669.79x = 72,684.53 × 28,796.45
  4. Step 4: Simplify right side
    52,669.79x = 2,093,056,433.92
  5. Step 5: Solve for x
    x = 2,093,056,433.92/52,669.79
  6. Step 6: Final answer
    x = 39,739.22

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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.