Home / 91,075.04-125,684.22-50,791.40

Finding the Fourth Proportional to 91,075.04, 125,684.22 and 50,791.40

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Solution

The fourth proportional to 91,075.04, 125,684.22 and 50,791.40 is: 70,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,075.04 : 125,684.22 = 50,791.40 : x
  2. Step 2: Convert to fraction form
    91,075.04/125,684.22 = 50,791.40/x
  3. Step 3: Cross multiply
    91,075.04x = 125,684.22 × 50,791.40
  4. Step 4: Simplify right side
    91,075.04x = 6,383,677,491.71
  5. Step 5: Solve for x
    x = 6,383,677,491.71/91,075.04
  6. Step 6: Final answer
    x = 70,092.50

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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.