Home / 55,942.53-83,905.45-18,502.81

Finding the Fourth Proportional to 55,942.53, 83,905.45 and 18,502.81

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Solution

The fourth proportional to 55,942.53, 83,905.45 and 18,502.81 is: 27,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.53 : 83,905.45 = 18,502.81 : x
  2. Step 2: Convert to fraction form
    55,942.53/83,905.45 = 18,502.81/x
  3. Step 3: Cross multiply
    55,942.53x = 83,905.45 × 18,502.81
  4. Step 4: Simplify right side
    55,942.53x = 1,552,486,599.31
  5. Step 5: Solve for x
    x = 1,552,486,599.31/55,942.53
  6. Step 6: Final answer
    x = 27,751.45

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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.