Home / 104,072.75-143,620.14-56,326.13

Finding the Fourth Proportional to 104,072.75, 143,620.14 and 56,326.13

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Solution

The fourth proportional to 104,072.75, 143,620.14 and 56,326.13 is: 77,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.75 : 143,620.14 = 56,326.13 : x
  2. Step 2: Convert to fraction form
    104,072.75/143,620.14 = 56,326.13/x
  3. Step 3: Cross multiply
    104,072.75x = 143,620.14 × 56,326.13
  4. Step 4: Simplify right side
    104,072.75x = 8,089,565,676.53
  5. Step 5: Solve for x
    x = 8,089,565,676.53/104,072.75
  6. Step 6: Final answer
    x = 77,729.92

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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.