Home / 125,742.30-173,525.60-68,382.86

Finding the Fourth Proportional to 125,742.30, 173,525.60 and 68,382.86

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Solution

The fourth proportional to 125,742.30, 173,525.60 and 68,382.86 is: 94,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,742.30 : 173,525.60 = 68,382.86 : x
  2. Step 2: Convert to fraction form
    125,742.30/173,525.60 = 68,382.86/x
  3. Step 3: Cross multiply
    125,742.30x = 173,525.60 × 68,382.86
  4. Step 4: Simplify right side
    125,742.30x = 11,866,175,601.67
  5. Step 5: Solve for x
    x = 11,866,175,601.67/125,742.30
  6. Step 6: Final answer
    x = 94,369.00

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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.