Home / 77,584.08-107,075.16-43,592.64

Finding the Fourth Proportional to 77,584.08, 107,075.16 and 43,592.64

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Solution

The fourth proportional to 77,584.08, 107,075.16 and 43,592.64 is: 60,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,584.08 : 107,075.16 = 43,592.64 : x
  2. Step 2: Convert to fraction form
    77,584.08/107,075.16 = 43,592.64/x
  3. Step 3: Cross multiply
    77,584.08x = 107,075.16 × 43,592.64
  4. Step 4: Simplify right side
    77,584.08x = 4,667,688,902.82
  5. Step 5: Solve for x
    x = 4,667,688,902.82/77,584.08
  6. Step 6: Final answer
    x = 60,162.97

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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.