Home / 125,766.35-173,557.43-72,051.58

Finding the Fourth Proportional to 125,766.35, 173,557.43 and 72,051.58

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Solution

The fourth proportional to 125,766.35, 173,557.43 and 72,051.58 is: 99,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,766.35 : 173,557.43 = 72,051.58 : x
  2. Step 2: Convert to fraction form
    125,766.35/173,557.43 = 72,051.58/x
  3. Step 3: Cross multiply
    125,766.35x = 173,557.43 × 72,051.58
  4. Step 4: Simplify right side
    125,766.35x = 12,505,086,258.09
  5. Step 5: Solve for x
    x = 12,505,086,258.09/125,766.35
  6. Step 6: Final answer
    x = 99,431.10

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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.