Home / 104,646.08-156,965.59-45,481.76

Finding the Fourth Proportional to 104,646.08, 156,965.59 and 45,481.76

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Solution

The fourth proportional to 104,646.08, 156,965.59 and 45,481.76 is: 68,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,646.08 : 156,965.59 = 45,481.76 : x
  2. Step 2: Convert to fraction form
    104,646.08/156,965.59 = 45,481.76/x
  3. Step 3: Cross multiply
    104,646.08x = 156,965.59 × 45,481.76
  4. Step 4: Simplify right side
    104,646.08x = 7,139,070,280.40
  5. Step 5: Solve for x
    x = 7,139,070,280.40/104,646.08
  6. Step 6: Final answer
    x = 68,221.10

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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.