Home / 53,736.45-74,150.41-31,072.01

Finding the Fourth Proportional to 53,736.45, 74,150.41 and 31,072.01

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Solution

The fourth proportional to 53,736.45, 74,150.41 and 31,072.01 is: 42,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.45 : 74,150.41 = 31,072.01 : x
  2. Step 2: Convert to fraction form
    53,736.45/74,150.41 = 31,072.01/x
  3. Step 3: Cross multiply
    53,736.45x = 74,150.41 × 31,072.01
  4. Step 4: Simplify right side
    53,736.45x = 2,304,002,281.02
  5. Step 5: Solve for x
    x = 2,304,002,281.02/53,736.45
  6. Step 6: Final answer
    x = 42,875.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.