Home / 117,629.44-176,337.22-42,717.40

Finding the Fourth Proportional to 117,629.44, 176,337.22 and 42,717.40

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Solution

The fourth proportional to 117,629.44, 176,337.22 and 42,717.40 is: 64,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.44 : 176,337.22 = 42,717.40 : x
  2. Step 2: Convert to fraction form
    117,629.44/176,337.22 = 42,717.40/x
  3. Step 3: Cross multiply
    117,629.44x = 176,337.22 × 42,717.40
  4. Step 4: Simplify right side
    117,629.44x = 7,532,667,561.63
  5. Step 5: Solve for x
    x = 7,532,667,561.63/117,629.44
  6. Step 6: Final answer
    x = 64,037.26

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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.