Home / 111,784.08-167,680.68-35,890.32

Finding the Fourth Proportional to 111,784.08, 167,680.68 and 35,890.32

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Solution

The fourth proportional to 111,784.08, 167,680.68 and 35,890.32 is: 53,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,784.08 : 167,680.68 = 35,890.32 : x
  2. Step 2: Convert to fraction form
    111,784.08/167,680.68 = 35,890.32/x
  3. Step 3: Cross multiply
    111,784.08x = 167,680.68 × 35,890.32
  4. Step 4: Simplify right side
    111,784.08x = 6,018,113,263.02
  5. Step 5: Solve for x
    x = 6,018,113,263.02/111,784.08
  6. Step 6: Final answer
    x = 53,836.94

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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.