Home / 90,483.56-135,725.33-49,011.56

Finding the Fourth Proportional to 90,483.56, 135,725.33 and 49,011.56

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Solution

The fourth proportional to 90,483.56, 135,725.33 and 49,011.56 is: 73,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,483.56 : 135,725.33 = 49,011.56 : x
  2. Step 2: Convert to fraction form
    90,483.56/135,725.33 = 49,011.56/x
  3. Step 3: Cross multiply
    90,483.56x = 135,725.33 × 49,011.56
  4. Step 4: Simplify right side
    90,483.56x = 6,652,109,476.19
  5. Step 5: Solve for x
    x = 6,652,109,476.19/90,483.56
  6. Step 6: Final answer
    x = 73,517.33

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1.5x scale

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.