Home / 125,388.42-173,036.03-71,674.60

Finding the Fourth Proportional to 125,388.42, 173,036.03 and 71,674.60

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Solution

The fourth proportional to 125,388.42, 173,036.03 and 71,674.60 is: 98,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,388.42 : 173,036.03 = 71,674.60 : x
  2. Step 2: Convert to fraction form
    125,388.42/173,036.03 = 71,674.60/x
  3. Step 3: Cross multiply
    125,388.42x = 173,036.03 × 71,674.60
  4. Step 4: Simplify right side
    125,388.42x = 12,402,288,235.84
  5. Step 5: Solve for x
    x = 12,402,288,235.84/125,388.42
  6. Step 6: Final answer
    x = 98,910.95

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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.