Home / 125,364.38-173,003.78-68,775.75

Finding the Fourth Proportional to 125,364.38, 173,003.78 and 68,775.75

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Solution

The fourth proportional to 125,364.38, 173,003.78 and 68,775.75 is: 94,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,364.38 : 173,003.78 = 68,775.75 : x
  2. Step 2: Convert to fraction form
    125,364.38/173,003.78 = 68,775.75/x
  3. Step 3: Cross multiply
    125,364.38x = 173,003.78 × 68,775.75
  4. Step 4: Simplify right side
    125,364.38x = 11,898,464,894.27
  5. Step 5: Solve for x
    x = 11,898,464,894.27/125,364.38
  6. Step 6: Final answer
    x = 94,911.05

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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.