Home / 91,605.36-137,406.96-51,627.36

Finding the Fourth Proportional to 91,605.36, 137,406.96 and 51,627.36

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Solution

The fourth proportional to 91,605.36, 137,406.96 and 51,627.36 is: 77,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,605.36 : 137,406.96 = 51,627.36 : x
  2. Step 2: Convert to fraction form
    91,605.36/137,406.96 = 51,627.36/x
  3. Step 3: Cross multiply
    91,605.36x = 137,406.96 × 51,627.36
  4. Step 4: Simplify right side
    91,605.36x = 7,093,958,590.43
  5. Step 5: Solve for x
    x = 7,093,958,590.43/91,605.36
  6. Step 6: Final answer
    x = 77,440.43

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1.5x scale

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.