Home / 125,672.12-173,427.54-71,974.94

Finding the Fourth Proportional to 125,672.12, 173,427.54 and 71,974.94

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Solution

The fourth proportional to 125,672.12, 173,427.54 and 71,974.94 is: 99,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,672.12 : 173,427.54 = 71,974.94 : x
  2. Step 2: Convert to fraction form
    125,672.12/173,427.54 = 71,974.94/x
  3. Step 3: Cross multiply
    125,672.12x = 173,427.54 × 71,974.94
  4. Step 4: Simplify right side
    125,672.12x = 12,482,436,785.85
  5. Step 5: Solve for x
    x = 12,482,436,785.85/125,672.12
  6. Step 6: Final answer
    x = 99,325.43

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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.