Home / 68,828.63-103,221.08-46,783.67

Finding the Fourth Proportional to 68,828.63, 103,221.08 and 46,783.67

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Solution

The fourth proportional to 68,828.63, 103,221.08 and 46,783.67 is: 70,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.63 : 103,221.08 = 46,783.67 : x
  2. Step 2: Convert to fraction form
    68,828.63/103,221.08 = 46,783.67/x
  3. Step 3: Cross multiply
    68,828.63x = 103,221.08 × 46,783.67
  4. Step 4: Simplify right side
    68,828.63x = 4,829,060,943.76
  5. Step 5: Solve for x
    x = 4,829,060,943.76/68,828.63
  6. Step 6: Final answer
    x = 70,160.64

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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.