Home / 57,075.66-78,786.49-51,096.95

Finding the Fourth Proportional to 57,075.66, 78,786.49 and 51,096.95

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Solution

The fourth proportional to 57,075.66, 78,786.49 and 51,096.95 is: 70,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.66 : 78,786.49 = 51,096.95 : x
  2. Step 2: Convert to fraction form
    57,075.66/78,786.49 = 51,096.95/x
  3. Step 3: Cross multiply
    57,075.66x = 78,786.49 × 51,096.95
  4. Step 4: Simplify right side
    57,075.66x = 4,025,749,084.72
  5. Step 5: Solve for x
    x = 4,025,749,084.72/57,075.66
  6. Step 6: Final answer
    x = 70,533.55

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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.