Home / 108,588.20-162,782.06-75,323.93

Finding the Fourth Proportional to 108,588.20, 162,782.06 and 75,323.93

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Solution

The fourth proportional to 108,588.20, 162,782.06 and 75,323.93 is: 112,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,588.20 : 162,782.06 = 75,323.93 : x
  2. Step 2: Convert to fraction form
    108,588.20/162,782.06 = 75,323.93/x
  3. Step 3: Cross multiply
    108,588.20x = 162,782.06 × 75,323.93
  4. Step 4: Simplify right side
    108,588.20x = 12,261,383,302.17
  5. Step 5: Solve for x
    x = 12,261,383,302.17/108,588.20
  6. Step 6: Final answer
    x = 112,916.36

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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.