Home / 124,013.69-186,020.53-30,519.44

Finding the Fourth Proportional to 124,013.69, 186,020.53 and 30,519.44

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Solution

The fourth proportional to 124,013.69, 186,020.53 and 30,519.44 is: 45,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013.69 : 186,020.53 = 30,519.44 : x
  2. Step 2: Convert to fraction form
    124,013.69/186,020.53 = 30,519.44/x
  3. Step 3: Cross multiply
    124,013.69x = 186,020.53 × 30,519.44
  4. Step 4: Simplify right side
    124,013.69x = 5,677,242,404.10
  5. Step 5: Solve for x
    x = 5,677,242,404.10/124,013.69
  6. Step 6: Final answer
    x = 45,779.16

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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.