Home / 52,362.74-72,261.32-28,489.43

Finding the Fourth Proportional to 52,362.74, 72,261.32 and 28,489.43

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Solution

The fourth proportional to 52,362.74, 72,261.32 and 28,489.43 is: 39,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,362.74 : 72,261.32 = 28,489.43 : x
  2. Step 2: Convert to fraction form
    52,362.74/72,261.32 = 28,489.43/x
  3. Step 3: Cross multiply
    52,362.74x = 72,261.32 × 28,489.43
  4. Step 4: Simplify right side
    52,362.74x = 2,058,683,314.09
  5. Step 5: Solve for x
    x = 2,058,683,314.09/52,362.74
  6. Step 6: Final answer
    x = 39,315.81

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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.