Home / 49,572.36-74,359.02-12,636.36

Finding the Fourth Proportional to 49,572.36, 74,359.02 and 12,636.36

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Solution

The fourth proportional to 49,572.36, 74,359.02 and 12,636.36 is: 18,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572.36 : 74,359.02 = 12,636.36 : x
  2. Step 2: Convert to fraction form
    49,572.36/74,359.02 = 12,636.36/x
  3. Step 3: Cross multiply
    49,572.36x = 74,359.02 × 12,636.36
  4. Step 4: Simplify right side
    49,572.36x = 939,627,345.97
  5. Step 5: Solve for x
    x = 939,627,345.97/49,572.36
  6. Step 6: Final answer
    x = 18,954.66

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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.