Home / 74,607.36-111,898.89-30,232.32

Finding the Fourth Proportional to 74,607.36, 111,898.89 and 30,232.32

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Solution

The fourth proportional to 74,607.36, 111,898.89 and 30,232.32 is: 45,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,607.36 : 111,898.89 = 30,232.32 : x
  2. Step 2: Convert to fraction form
    74,607.36/111,898.89 = 30,232.32/x
  3. Step 3: Cross multiply
    74,607.36x = 111,898.89 × 30,232.32
  4. Step 4: Simplify right side
    74,607.36x = 3,382,963,050.12
  5. Step 5: Solve for x
    x = 3,382,963,050.12/74,607.36
  6. Step 6: Final answer
    x = 45,343.56

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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.