Home / 91,822.40-137,539.20-60,329.60

Finding the Fourth Proportional to 91,822.40, 137,539.20 and 60,329.60

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Solution

The fourth proportional to 91,822.40, 137,539.20 and 60,329.60 is: 90,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,822.40 : 137,539.20 = 60,329.60 : x
  2. Step 2: Convert to fraction form
    91,822.40/137,539.20 = 60,329.60/x
  3. Step 3: Cross multiply
    91,822.40x = 137,539.20 × 60,329.60
  4. Step 4: Simplify right side
    91,822.40x = 8,297,684,920.32
  5. Step 5: Solve for x
    x = 8,297,684,920.32/91,822.40
  6. Step 6: Final answer
    x = 90,366.67

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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.