Home / 77,474.22-106,913.43-43,482.57

Finding the Fourth Proportional to 77,474.22, 106,913.43 and 43,482.57

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Solution

The fourth proportional to 77,474.22, 106,913.43 and 43,482.57 is: 60,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,474.22 : 106,913.43 = 43,482.57 : x
  2. Step 2: Convert to fraction form
    77,474.22/106,913.43 = 43,482.57/x
  3. Step 3: Cross multiply
    77,474.22x = 106,913.43 × 43,482.57
  4. Step 4: Simplify right side
    77,474.22x = 4,648,870,703.92
  5. Step 5: Solve for x
    x = 4,648,870,703.92/77,474.22
  6. Step 6: Final answer
    x = 60,005.39

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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.