Home / 94,171.93-129,899.69-55,905.50

Finding the Fourth Proportional to 94,171.93, 129,899.69 and 55,905.50

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Solution

The fourth proportional to 94,171.93, 129,899.69 and 55,905.50 is: 77,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,171.93 : 129,899.69 = 55,905.50 : x
  2. Step 2: Convert to fraction form
    94,171.93/129,899.69 = 55,905.50/x
  3. Step 3: Cross multiply
    94,171.93x = 129,899.69 × 55,905.50
  4. Step 4: Simplify right side
    94,171.93x = 7,262,107,119.30
  5. Step 5: Solve for x
    x = 7,262,107,119.30/94,171.93
  6. Step 6: Final answer
    x = 77,115.41

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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.