Home / 116,855.10-161,293.07-69,125.04

Finding the Fourth Proportional to 116,855.10, 161,293.07 and 69,125.04

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Solution

The fourth proportional to 116,855.10, 161,293.07 and 69,125.04 is: 95,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855.10 : 161,293.07 = 69,125.04 : x
  2. Step 2: Convert to fraction form
    116,855.10/161,293.07 = 69,125.04/x
  3. Step 3: Cross multiply
    116,855.10x = 161,293.07 × 69,125.04
  4. Step 4: Simplify right side
    116,855.10x = 11,149,389,915.47
  5. Step 5: Solve for x
    x = 11,149,389,915.47/116,855.10
  6. Step 6: Final answer
    x = 95,412.10

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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.