Home / 55,955.63-83,933.45-18,505.65

Finding the Fourth Proportional to 55,955.63, 83,933.45 and 18,505.65

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Solution

The fourth proportional to 55,955.63, 83,933.45 and 18,505.65 is: 27,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,955.63 : 83,933.45 = 18,505.65 : x
  2. Step 2: Convert to fraction form
    55,955.63/83,933.45 = 18,505.65/x
  3. Step 3: Cross multiply
    55,955.63x = 83,933.45 × 18,505.65
  4. Step 4: Simplify right side
    55,955.63x = 1,553,242,868.49
  5. Step 5: Solve for x
    x = 1,553,242,868.49/55,955.63
  6. Step 6: Final answer
    x = 27,758.47

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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.