Home / 75,020.60-103,562.37-50,851.50

Finding the Fourth Proportional to 75,020.60, 103,562.37 and 50,851.50

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Solution

The fourth proportional to 75,020.60, 103,562.37 and 50,851.50 is: 70,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.60 : 103,562.37 = 50,851.50 : x
  2. Step 2: Convert to fraction form
    75,020.60/103,562.37 = 50,851.50/x
  3. Step 3: Cross multiply
    75,020.60x = 103,562.37 × 50,851.50
  4. Step 4: Simplify right side
    75,020.60x = 5,266,301,858.06
  5. Step 5: Solve for x
    x = 5,266,301,858.06/75,020.60
  6. Step 6: Final answer
    x = 70,198.08

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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.