Home / 125,415-173,072.97-68,826.24

Finding the Fourth Proportional to 125,415, 173,072.97 and 68,826.24

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Solution

The fourth proportional to 125,415, 173,072.97 and 68,826.24 is: 94,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,415 : 173,072.97 = 68,826.24 : x
  2. Step 2: Convert to fraction form
    125,415/173,072.97 = 68,826.24/x
  3. Step 3: Cross multiply
    125,415x = 173,072.97 × 68,826.24
  4. Step 4: Simplify right side
    125,415x = 11,911,961,770.73
  5. Step 5: Solve for x
    x = 11,911,961,770.73/125,415
  6. Step 6: Final answer
    x = 94,980.36

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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.