Home / 108,733.94-162,946.58-45,485.90

Finding the Fourth Proportional to 108,733.94, 162,946.58 and 45,485.90

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Solution

The fourth proportional to 108,733.94, 162,946.58 and 45,485.90 is: 68,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,733.94 : 162,946.58 = 45,485.90 : x
  2. Step 2: Convert to fraction form
    108,733.94/162,946.58 = 45,485.90/x
  3. Step 3: Cross multiply
    108,733.94x = 162,946.58 × 45,485.90
  4. Step 4: Simplify right side
    108,733.94x = 7,411,771,843.22
  5. Step 5: Solve for x
    x = 7,411,771,843.22/108,733.94
  6. Step 6: Final answer
    x = 68,164.29

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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.