Home / 125,679.24-173,440.67-68,322.42

Finding the Fourth Proportional to 125,679.24, 173,440.67 and 68,322.42

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Solution

The fourth proportional to 125,679.24, 173,440.67 and 68,322.42 is: 94,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,679.24 : 173,440.67 = 68,322.42 : x
  2. Step 2: Convert to fraction form
    125,679.24/173,440.67 = 68,322.42/x
  3. Step 3: Cross multiply
    125,679.24x = 173,440.67 × 68,322.42
  4. Step 4: Simplify right side
    125,679.24x = 11,849,886,300.82
  5. Step 5: Solve for x
    x = 11,849,886,300.82/125,679.24
  6. Step 6: Final answer
    x = 94,286.74

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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.