Home / 123,592.78-185,389.26-30,097.72

Finding the Fourth Proportional to 123,592.78, 185,389.26 and 30,097.72

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Solution

The fourth proportional to 123,592.78, 185,389.26 and 30,097.72 is: 45,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,592.78 : 185,389.26 = 30,097.72 : x
  2. Step 2: Convert to fraction form
    123,592.78/185,389.26 = 30,097.72/x
  3. Step 3: Cross multiply
    123,592.78x = 185,389.26 × 30,097.72
  4. Step 4: Simplify right side
    123,592.78x = 5,579,794,038.49
  5. Step 5: Solve for x
    x = 5,579,794,038.49/123,592.78
  6. Step 6: Final answer
    x = 45,146.60

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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.