Home / 104,099.82-143,656.56-56,352.12

Finding the Fourth Proportional to 104,099.82, 143,656.56 and 56,352.12

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Solution

The fourth proportional to 104,099.82, 143,656.56 and 56,352.12 is: 77,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,099.82 : 143,656.56 = 56,352.12 : x
  2. Step 2: Convert to fraction form
    104,099.82/143,656.56 = 56,352.12/x
  3. Step 3: Cross multiply
    104,099.82x = 143,656.56 × 56,352.12
  4. Step 4: Simplify right side
    104,099.82x = 8,095,351,707.91
  5. Step 5: Solve for x
    x = 8,095,351,707.91/104,099.82
  6. Step 6: Final answer
    x = 77,765.28

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1.5x scale

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.