Home / 125,599.37-173,278.04-71,855.60

Finding the Fourth Proportional to 125,599.37, 173,278.04 and 71,855.60

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Solution

The fourth proportional to 125,599.37, 173,278.04 and 71,855.60 is: 99,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,599.37 : 173,278.04 = 71,855.60 : x
  2. Step 2: Convert to fraction form
    125,599.37/173,278.04 = 71,855.60/x
  3. Step 3: Cross multiply
    125,599.37x = 173,278.04 × 71,855.60
  4. Step 4: Simplify right side
    125,599.37x = 12,450,996,305.36
  5. Step 5: Solve for x
    x = 12,450,996,305.36/125,599.37
  6. Step 6: Final answer
    x = 99,132.64

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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.