Home / 125,464.16-173,140.70-68,103.45

Finding the Fourth Proportional to 125,464.16, 173,140.70 and 68,103.45

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Solution

The fourth proportional to 125,464.16, 173,140.70 and 68,103.45 is: 93,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,464.16 : 173,140.70 = 68,103.45 : x
  2. Step 2: Convert to fraction form
    125,464.16/173,140.70 = 68,103.45/x
  3. Step 3: Cross multiply
    125,464.16x = 173,140.70 × 68,103.45
  4. Step 4: Simplify right side
    125,464.16x = 11,791,479,005.42
  5. Step 5: Solve for x
    x = 11,791,479,005.42/125,464.16
  6. Step 6: Final answer
    x = 93,982.85

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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.