Home / 125,696.64-173,451.04-74,005.52

Finding the Fourth Proportional to 125,696.64, 173,451.04 and 74,005.52

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Solution

The fourth proportional to 125,696.64, 173,451.04 and 74,005.52 is: 102,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,696.64 : 173,451.04 = 74,005.52 : x
  2. Step 2: Convert to fraction form
    125,696.64/173,451.04 = 74,005.52/x
  3. Step 3: Cross multiply
    125,696.64x = 173,451.04 × 74,005.52
  4. Step 4: Simplify right side
    125,696.64x = 12,836,334,409.74
  5. Step 5: Solve for x
    x = 12,836,334,409.74/125,696.64
  6. Step 6: Final answer
    x = 102,121.54

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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.