Home / 90,646.44-135,955.60-46,305.96

Finding the Fourth Proportional to 90,646.44, 135,955.60 and 46,305.96

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Solution

The fourth proportional to 90,646.44, 135,955.60 and 46,305.96 is: 69,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.44 : 135,955.60 = 46,305.96 : x
  2. Step 2: Convert to fraction form
    90,646.44/135,955.60 = 46,305.96/x
  3. Step 3: Cross multiply
    90,646.44x = 135,955.60 × 46,305.96
  4. Step 4: Simplify right side
    90,646.44x = 6,295,554,575.38
  5. Step 5: Solve for x
    x = 6,295,554,575.38/90,646.44
  6. Step 6: Final answer
    x = 69,451.76

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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.