Home / 123,928.56-185,889.60-45,044.28

Finding the Fourth Proportional to 123,928.56, 185,889.60 and 45,044.28

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Solution

The fourth proportional to 123,928.56, 185,889.60 and 45,044.28 is: 67,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,928.56 : 185,889.60 = 45,044.28 : x
  2. Step 2: Convert to fraction form
    123,928.56/185,889.60 = 45,044.28/x
  3. Step 3: Cross multiply
    123,928.56x = 185,889.60 × 45,044.28
  4. Step 4: Simplify right side
    123,928.56x = 8,373,263,191.49
  5. Step 5: Solve for x
    x = 8,373,263,191.49/123,928.56
  6. Step 6: Final answer
    x = 67,565.24

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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.