Home / 117,761.04-162,462.30-66,762.96

Finding the Fourth Proportional to 117,761.04, 162,462.30 and 66,762.96

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Solution

The fourth proportional to 117,761.04, 162,462.30 and 66,762.96 is: 92,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,761.04 : 162,462.30 = 66,762.96 : x
  2. Step 2: Convert to fraction form
    117,761.04/162,462.30 = 66,762.96/x
  3. Step 3: Cross multiply
    117,761.04x = 162,462.30 × 66,762.96
  4. Step 4: Simplify right side
    117,761.04x = 10,846,464,036.41
  5. Step 5: Solve for x
    x = 10,846,464,036.41/117,761.04
  6. Step 6: Final answer
    x = 92,105.71

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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.