Home / 66,816.96-92,239.20-41,703.36

Finding the Fourth Proportional to 66,816.96, 92,239.20 and 41,703.36

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Solution

The fourth proportional to 66,816.96, 92,239.20 and 41,703.36 is: 57,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,816.96 : 92,239.20 = 41,703.36 : x
  2. Step 2: Convert to fraction form
    66,816.96/92,239.20 = 41,703.36/x
  3. Step 3: Cross multiply
    66,816.96x = 92,239.20 × 41,703.36
  4. Step 4: Simplify right side
    66,816.96x = 3,846,684,563.71
  5. Step 5: Solve for x
    x = 3,846,684,563.71/66,816.96
  6. Step 6: Final answer
    x = 57,570.48

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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.