Home / 90,928.92-136,426.26-46,576.56

Finding the Fourth Proportional to 90,928.92, 136,426.26 and 46,576.56

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Solution

The fourth proportional to 90,928.92, 136,426.26 and 46,576.56 is: 69,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,928.92 : 136,426.26 = 46,576.56 : x
  2. Step 2: Convert to fraction form
    90,928.92/136,426.26 = 46,576.56/x
  3. Step 3: Cross multiply
    90,928.92x = 136,426.26 × 46,576.56
  4. Step 4: Simplify right side
    90,928.92x = 6,354,265,884.47
  5. Step 5: Solve for x
    x = 6,354,265,884.47/90,928.92
  6. Step 6: Final answer
    x = 69,881.68

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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.