Home / 125,528.16-173,230.11-68,939.54

Finding the Fourth Proportional to 125,528.16, 173,230.11 and 68,939.54

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Solution

The fourth proportional to 125,528.16, 173,230.11 and 68,939.54 is: 95,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.16 : 173,230.11 = 68,939.54 : x
  2. Step 2: Convert to fraction form
    125,528.16/173,230.11 = 68,939.54/x
  3. Step 3: Cross multiply
    125,528.16x = 173,230.11 × 68,939.54
  4. Step 4: Simplify right side
    125,528.16x = 11,942,403,881.01
  5. Step 5: Solve for x
    x = 11,942,403,881.01/125,528.16
  6. Step 6: Final answer
    x = 95,137.25

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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.