Home / 49,977.46-74,955.13-14,431.06

Finding the Fourth Proportional to 49,977.46, 74,955.13 and 14,431.06

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Solution

The fourth proportional to 49,977.46, 74,955.13 and 14,431.06 is: 21,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.46 : 74,955.13 = 14,431.06 : x
  2. Step 2: Convert to fraction form
    49,977.46/74,955.13 = 14,431.06/x
  3. Step 3: Cross multiply
    49,977.46x = 74,955.13 × 14,431.06
  4. Step 4: Simplify right side
    49,977.46x = 1,081,682,090.07
  5. Step 5: Solve for x
    x = 1,081,682,090.07/49,977.46
  6. Step 6: Final answer
    x = 21,643.40

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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.