Home / 108,619.20-149,898.60-63,326.34

Finding the Fourth Proportional to 108,619.20, 149,898.60 and 63,326.34

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Solution

The fourth proportional to 108,619.20, 149,898.60 and 63,326.34 is: 87,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,619.20 : 149,898.60 = 63,326.34 : x
  2. Step 2: Convert to fraction form
    108,619.20/149,898.60 = 63,326.34/x
  3. Step 3: Cross multiply
    108,619.20x = 149,898.60 × 63,326.34
  4. Step 4: Simplify right side
    108,619.20x = 9,492,529,709.12
  5. Step 5: Solve for x
    x = 9,492,529,709.12/108,619.20
  6. Step 6: Final answer
    x = 87,392.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.