Home / 91,768.95-137,703.58-35,611.28

Finding the Fourth Proportional to 91,768.95, 137,703.58 and 35,611.28

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Solution

The fourth proportional to 91,768.95, 137,703.58 and 35,611.28 is: 53,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,768.95 : 137,703.58 = 35,611.28 : x
  2. Step 2: Convert to fraction form
    91,768.95/137,703.58 = 35,611.28/x
  3. Step 3: Cross multiply
    91,768.95x = 137,703.58 × 35,611.28
  4. Step 4: Simplify right side
    91,768.95x = 4,903,800,483.22
  5. Step 5: Solve for x
    x = 4,903,800,483.22/91,768.95
  6. Step 6: Final answer
    x = 53,436.38

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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.