Home / 75,583.47-113,419.02-38,146.47

Finding the Fourth Proportional to 75,583.47, 113,419.02 and 38,146.47

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Solution

The fourth proportional to 75,583.47, 113,419.02 and 38,146.47 is: 57,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,583.47 : 113,419.02 = 38,146.47 : x
  2. Step 2: Convert to fraction form
    75,583.47/113,419.02 = 38,146.47/x
  3. Step 3: Cross multiply
    75,583.47x = 113,419.02 × 38,146.47
  4. Step 4: Simplify right side
    75,583.47x = 4,326,535,243.86
  5. Step 5: Solve for x
    x = 4,326,535,243.86/75,583.47
  6. Step 6: Final answer
    x = 57,241.82

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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.