Home / 68,784.87-103,206.47-37,583.67

Finding the Fourth Proportional to 68,784.87, 103,206.47 and 37,583.67

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Solution

The fourth proportional to 68,784.87, 103,206.47 and 37,583.67 is: 56,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.87 : 103,206.47 = 37,583.67 : x
  2. Step 2: Convert to fraction form
    68,784.87/103,206.47 = 37,583.67/x
  3. Step 3: Cross multiply
    68,784.87x = 103,206.47 × 37,583.67
  4. Step 4: Simplify right side
    68,784.87x = 3,878,877,910.34
  5. Step 5: Solve for x
    x = 3,878,877,910.34/68,784.87
  6. Step 6: Final answer
    x = 56,391.44

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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.