Home / 66,558.40-91,694.50-46,378.67

Finding the Fourth Proportional to 66,558.40, 91,694.50 and 46,378.67

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Solution

The fourth proportional to 66,558.40, 91,694.50 and 46,378.67 is: 63,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.40 : 91,694.50 = 46,378.67 : x
  2. Step 2: Convert to fraction form
    66,558.40/91,694.50 = 46,378.67/x
  3. Step 3: Cross multiply
    66,558.40x = 91,694.50 × 46,378.67
  4. Step 4: Simplify right side
    66,558.40x = 4,252,668,381.90
  5. Step 5: Solve for x
    x = 4,252,668,381.90/66,558.40
  6. Step 6: Final answer
    x = 63,893.79

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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.