Home / 108,664.95-162,963.68-52,470.12

Finding the Fourth Proportional to 108,664.95, 162,963.68 and 52,470.12

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Solution

The fourth proportional to 108,664.95, 162,963.68 and 52,470.12 is: 78,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.95 : 162,963.68 = 52,470.12 : x
  2. Step 2: Convert to fraction form
    108,664.95/162,963.68 = 52,470.12/x
  3. Step 3: Cross multiply
    108,664.95x = 162,963.68 × 52,470.12
  4. Step 4: Simplify right side
    108,664.95x = 8,550,724,194.00
  5. Step 5: Solve for x
    x = 8,550,724,194.00/108,664.95
  6. Step 6: Final answer
    x = 78,688.89

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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.