Home / 104,212.16-143,812.91-56,465.48

Finding the Fourth Proportional to 104,212.16, 143,812.91 and 56,465.48

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Solution

The fourth proportional to 104,212.16, 143,812.91 and 56,465.48 is: 77,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.16 : 143,812.91 = 56,465.48 : x
  2. Step 2: Convert to fraction form
    104,212.16/143,812.91 = 56,465.48/x
  3. Step 3: Cross multiply
    104,212.16x = 143,812.91 × 56,465.48
  4. Step 4: Simplify right side
    104,212.16x = 8,120,464,415.45
  5. Step 5: Solve for x
    x = 8,120,464,415.45/104,212.16
  6. Step 6: Final answer
    x = 77,922.42

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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.