Home / 71,273.32-98,368.23-40,646.48

Finding the Fourth Proportional to 71,273.32, 98,368.23 and 40,646.48

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Solution

The fourth proportional to 71,273.32, 98,368.23 and 40,646.48 is: 56,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,273.32 : 98,368.23 = 40,646.48 : x
  2. Step 2: Convert to fraction form
    71,273.32/98,368.23 = 40,646.48/x
  3. Step 3: Cross multiply
    71,273.32x = 98,368.23 × 40,646.48
  4. Step 4: Simplify right side
    71,273.32x = 3,998,322,583.84
  5. Step 5: Solve for x
    x = 3,998,322,583.84/71,273.32
  6. Step 6: Final answer
    x = 56,098.44

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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.