Home / 75,932.02-113,897.76-20,528.02

Finding the Fourth Proportional to 75,932.02, 113,897.76 and 20,528.02

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Solution

The fourth proportional to 75,932.02, 113,897.76 and 20,528.02 is: 30,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,932.02 : 113,897.76 = 20,528.02 : x
  2. Step 2: Convert to fraction form
    75,932.02/113,897.76 = 20,528.02/x
  3. Step 3: Cross multiply
    75,932.02x = 113,897.76 × 20,528.02
  4. Step 4: Simplify right side
    75,932.02x = 2,338,095,495.24
  5. Step 5: Solve for x
    x = 2,338,095,495.24/75,932.02
  6. Step 6: Final answer
    x = 30,791.96

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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.