Home / 66,576.02-99,858.56-19,828.89

Finding the Fourth Proportional to 66,576.02, 99,858.56 and 19,828.89

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Solution

The fourth proportional to 66,576.02, 99,858.56 and 19,828.89 is: 29,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,576.02 : 99,858.56 = 19,828.89 : x
  2. Step 2: Convert to fraction form
    66,576.02/99,858.56 = 19,828.89/x
  3. Step 3: Cross multiply
    66,576.02x = 99,858.56 × 19,828.89
  4. Step 4: Simplify right side
    66,576.02x = 1,980,084,302.65
  5. Step 5: Solve for x
    x = 1,980,084,302.65/66,576.02
  6. Step 6: Final answer
    x = 29,741.71

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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.