Home / 66,427.02-91,667.97-36,212.67

Finding the Fourth Proportional to 66,427.02, 91,667.97 and 36,212.67

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Solution

The fourth proportional to 66,427.02, 91,667.97 and 36,212.67 is: 49,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.02 : 91,667.97 = 36,212.67 : x
  2. Step 2: Convert to fraction form
    66,427.02/91,667.97 = 36,212.67/x
  3. Step 3: Cross multiply
    66,427.02x = 91,667.97 × 36,212.67
  4. Step 4: Simplify right side
    66,427.02x = 3,319,541,947.18
  5. Step 5: Solve for x
    x = 3,319,541,947.18/66,427.02
  6. Step 6: Final answer
    x = 49,972.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.