Home / 68,483.04-102,556.80-56,563.92

Finding the Fourth Proportional to 68,483.04, 102,556.80 and 56,563.92

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Solution

The fourth proportional to 68,483.04, 102,556.80 and 56,563.92 is: 84,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,483.04 : 102,556.80 = 56,563.92 : x
  2. Step 2: Convert to fraction form
    68,483.04/102,556.80 = 56,563.92/x
  3. Step 3: Cross multiply
    68,483.04x = 102,556.80 × 56,563.92
  4. Step 4: Simplify right side
    68,483.04x = 5,801,014,630.66
  5. Step 5: Solve for x
    x = 5,801,014,630.66/68,483.04
  6. Step 6: Final answer
    x = 84,707.32

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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.