Home / 104,277.90-143,904.24-56,532

Finding the Fourth Proportional to 104,277.90, 143,904.24 and 56,532

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Solution

The fourth proportional to 104,277.90, 143,904.24 and 56,532 is: 78,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,277.90 : 143,904.24 = 56,532 : x
  2. Step 2: Convert to fraction form
    104,277.90/143,904.24 = 56,532/x
  3. Step 3: Cross multiply
    104,277.90x = 143,904.24 × 56,532
  4. Step 4: Simplify right side
    104,277.90x = 8,135,194,495.68
  5. Step 5: Solve for x
    x = 8,135,194,495.68/104,277.90
  6. Step 6: Final answer
    x = 78,014.56

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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.