Home / 91,561.94-137,343.77-32,407.64

Finding the Fourth Proportional to 91,561.94, 137,343.77 and 32,407.64

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Solution

The fourth proportional to 91,561.94, 137,343.77 and 32,407.64 is: 48,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,561.94 : 137,343.77 = 32,407.64 : x
  2. Step 2: Convert to fraction form
    91,561.94/137,343.77 = 32,407.64/x
  3. Step 3: Cross multiply
    91,561.94x = 137,343.77 × 32,407.64
  4. Step 4: Simplify right side
    91,561.94x = 4,450,987,454.40
  5. Step 5: Solve for x
    x = 4,450,987,454.40/91,561.94
  6. Step 6: Final answer
    x = 48,611.76

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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.