Home / 104,071.68-143,618.90-56,325.02

Finding the Fourth Proportional to 104,071.68, 143,618.90 and 56,325.02

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Solution

The fourth proportional to 104,071.68, 143,618.90 and 56,325.02 is: 77,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,071.68 : 143,618.90 = 56,325.02 : x
  2. Step 2: Convert to fraction form
    104,071.68/143,618.90 = 56,325.02/x
  3. Step 3: Cross multiply
    104,071.68x = 143,618.90 × 56,325.02
  4. Step 4: Simplify right side
    104,071.68x = 8,089,337,414.88
  5. Step 5: Solve for x
    x = 8,089,337,414.88/104,071.68
  6. Step 6: Final answer
    x = 77,728.52

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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.