Home / 91,420.85-137,148.44-41,504.46

Finding the Fourth Proportional to 91,420.85, 137,148.44 and 41,504.46

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Solution

The fourth proportional to 91,420.85, 137,148.44 and 41,504.46 is: 62,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,420.85 : 137,148.44 = 41,504.46 : x
  2. Step 2: Convert to fraction form
    91,420.85/137,148.44 = 41,504.46/x
  3. Step 3: Cross multiply
    91,420.85x = 137,148.44 × 41,504.46
  4. Step 4: Simplify right side
    91,420.85x = 5,692,271,734.52
  5. Step 5: Solve for x
    x = 5,692,271,734.52/91,420.85
  6. Step 6: Final answer
    x = 62,264.48

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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.