Home / 74,497.32-111,760.56-43,325.28

Finding the Fourth Proportional to 74,497.32, 111,760.56 and 43,325.28

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Solution

The fourth proportional to 74,497.32, 111,760.56 and 43,325.28 is: 64,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,497.32 : 111,760.56 = 43,325.28 : x
  2. Step 2: Convert to fraction form
    74,497.32/111,760.56 = 43,325.28/x
  3. Step 3: Cross multiply
    74,497.32x = 111,760.56 × 43,325.28
  4. Step 4: Simplify right side
    74,497.32x = 4,842,057,554.96
  5. Step 5: Solve for x
    x = 4,842,057,554.96/74,497.32
  6. Step 6: Final answer
    x = 64,996.40

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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.