Home / 94,536.30-141,804.45-76,821.60

Finding the Fourth Proportional to 94,536.30, 141,804.45 and 76,821.60

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Solution

The fourth proportional to 94,536.30, 141,804.45 and 76,821.60 is: 115,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,536.30 : 141,804.45 = 76,821.60 : x
  2. Step 2: Convert to fraction form
    94,536.30/141,804.45 = 76,821.60/x
  3. Step 3: Cross multiply
    94,536.30x = 141,804.45 × 76,821.60
  4. Step 4: Simplify right side
    94,536.30x = 10,893,644,736.12
  5. Step 5: Solve for x
    x = 10,893,644,736.12/94,536.30
  6. Step 6: Final answer
    x = 115,232.40

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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.