Home / 73,123.09-109,670.76-35,645.47

Finding the Fourth Proportional to 73,123.09, 109,670.76 and 35,645.47

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Solution

The fourth proportional to 73,123.09, 109,670.76 and 35,645.47 is: 53,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123.09 : 109,670.76 = 35,645.47 : x
  2. Step 2: Convert to fraction form
    73,123.09/109,670.76 = 35,645.47/x
  3. Step 3: Cross multiply
    73,123.09x = 109,670.76 × 35,645.47
  4. Step 4: Simplify right side
    73,123.09x = 3,909,265,511.28
  5. Step 5: Solve for x
    x = 3,909,265,511.28/73,123.09
  6. Step 6: Final answer
    x = 53,461.44

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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.