Home / 125,929.32-173,785.58-68,571.78

Finding the Fourth Proportional to 125,929.32, 173,785.58 and 68,571.78

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Solution

The fourth proportional to 125,929.32, 173,785.58 and 68,571.78 is: 94,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,929.32 : 173,785.58 = 68,571.78 : x
  2. Step 2: Convert to fraction form
    125,929.32/173,785.58 = 68,571.78/x
  3. Step 3: Cross multiply
    125,929.32x = 173,785.58 × 68,571.78
  4. Step 4: Simplify right side
    125,929.32x = 11,916,786,558.93
  5. Step 5: Solve for x
    x = 11,916,786,558.93/125,929.32
  6. Step 6: Final answer
    x = 94,630.75

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1.5x scale

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.