Home / 125,988.04-173,863.97-69,399.28

Finding the Fourth Proportional to 125,988.04, 173,863.97 and 69,399.28

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Solution

The fourth proportional to 125,988.04, 173,863.97 and 69,399.28 is: 95,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,988.04 : 173,863.97 = 69,399.28 : x
  2. Step 2: Convert to fraction form
    125,988.04/173,863.97 = 69,399.28/x
  3. Step 3: Cross multiply
    125,988.04x = 173,863.97 × 69,399.28
  4. Step 4: Simplify right side
    125,988.04x = 12,066,034,335.94
  5. Step 5: Solve for x
    x = 12,066,034,335.94/125,988.04
  6. Step 6: Final answer
    x = 95,771.27

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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.