Home / 49,420.16-74,132.31-14,359.82

Finding the Fourth Proportional to 49,420.16, 74,132.31 and 14,359.82

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Solution

The fourth proportional to 49,420.16, 74,132.31 and 14,359.82 is: 21,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.16 : 74,132.31 = 14,359.82 : x
  2. Step 2: Convert to fraction form
    49,420.16/74,132.31 = 14,359.82/x
  3. Step 3: Cross multiply
    49,420.16x = 74,132.31 × 14,359.82
  4. Step 4: Simplify right side
    49,420.16x = 1,064,526,555.99
  5. Step 5: Solve for x
    x = 1,064,526,555.99/49,420.16
  6. Step 6: Final answer
    x = 21,540.33

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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.