Home / 125,799.36-173,604.42-72,083.22

Finding the Fourth Proportional to 125,799.36, 173,604.42 and 72,083.22

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Solution

The fourth proportional to 125,799.36, 173,604.42 and 72,083.22 is: 99,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,799.36 : 173,604.42 = 72,083.22 : x
  2. Step 2: Convert to fraction form
    125,799.36/173,604.42 = 72,083.22/x
  3. Step 3: Cross multiply
    125,799.36x = 173,604.42 × 72,083.22
  4. Step 4: Simplify right side
    125,799.36x = 12,513,965,599.83
  5. Step 5: Solve for x
    x = 12,513,965,599.83/125,799.36
  6. Step 6: Final answer
    x = 99,475.59

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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.