Home / 77,075.82-115,557.66-52,053.84

Finding the Fourth Proportional to 77,075.82, 115,557.66 and 52,053.84

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Solution

The fourth proportional to 77,075.82, 115,557.66 and 52,053.84 is: 78,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,075.82 : 115,557.66 = 52,053.84 : x
  2. Step 2: Convert to fraction form
    77,075.82/115,557.66 = 52,053.84/x
  3. Step 3: Cross multiply
    77,075.82x = 115,557.66 × 52,053.84
  4. Step 4: Simplify right side
    77,075.82x = 6,015,219,944.41
  5. Step 5: Solve for x
    x = 6,015,219,944.41/77,075.82
  6. Step 6: Final answer
    x = 78,042.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.