Home / 111,181.08-153,428.32-60,880.08

Finding the Fourth Proportional to 111,181.08, 153,428.32 and 60,880.08

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Solution

The fourth proportional to 111,181.08, 153,428.32 and 60,880.08 is: 84,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.08 : 153,428.32 = 60,880.08 : x
  2. Step 2: Convert to fraction form
    111,181.08/153,428.32 = 60,880.08/x
  3. Step 3: Cross multiply
    111,181.08x = 153,428.32 × 60,880.08
  4. Step 4: Simplify right side
    111,181.08x = 9,340,728,395.87
  5. Step 5: Solve for x
    x = 9,340,728,395.87/111,181.08
  6. Step 6: Final answer
    x = 84,013.65

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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.