Home / 108,209.50-162,263.16-63,243.75

Finding the Fourth Proportional to 108,209.50, 162,263.16 and 63,243.75

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Solution

The fourth proportional to 108,209.50, 162,263.16 and 63,243.75 is: 94,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.50 : 162,263.16 = 63,243.75 : x
  2. Step 2: Convert to fraction form
    108,209.50/162,263.16 = 63,243.75/x
  3. Step 3: Cross multiply
    108,209.50x = 162,263.16 × 63,243.75
  4. Step 4: Simplify right side
    108,209.50x = 10,262,130,725.25
  5. Step 5: Solve for x
    x = 10,262,130,725.25/108,209.50
  6. Step 6: Final answer
    x = 94,835.77

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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.