Home / 76,774.74-115,075.85-34,591.56

Finding the Fourth Proportional to 76,774.74, 115,075.85 and 34,591.56

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Solution

The fourth proportional to 76,774.74, 115,075.85 and 34,591.56 is: 51,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,774.74 : 115,075.85 = 34,591.56 : x
  2. Step 2: Convert to fraction form
    76,774.74/115,075.85 = 34,591.56/x
  3. Step 3: Cross multiply
    76,774.74x = 115,075.85 × 34,591.56
  4. Step 4: Simplify right side
    76,774.74x = 3,980,652,996.87
  5. Step 5: Solve for x
    x = 3,980,652,996.87/76,774.74
  6. Step 6: Final answer
    x = 51,848.47

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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.