Home / 125,884.72-173,721-69,297.04

Finding the Fourth Proportional to 125,884.72, 173,721 and 69,297.04

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Solution

The fourth proportional to 125,884.72, 173,721 and 69,297.04 is: 95,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,884.72 : 173,721 = 69,297.04 : x
  2. Step 2: Convert to fraction form
    125,884.72/173,721 = 69,297.04/x
  3. Step 3: Cross multiply
    125,884.72x = 173,721 × 69,297.04
  4. Step 4: Simplify right side
    125,884.72x = 12,038,351,085.84
  5. Step 5: Solve for x
    x = 12,038,351,085.84/125,884.72
  6. Step 6: Final answer
    x = 95,629.96

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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.