Home / 125,441.58-173,103.05-74,456.53

Finding the Fourth Proportional to 125,441.58, 173,103.05 and 74,456.53

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Solution

The fourth proportional to 125,441.58, 173,103.05 and 74,456.53 is: 102,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,441.58 : 173,103.05 = 74,456.53 : x
  2. Step 2: Convert to fraction form
    125,441.58/173,103.05 = 74,456.53/x
  3. Step 3: Cross multiply
    125,441.58x = 173,103.05 × 74,456.53
  4. Step 4: Simplify right side
    125,441.58x = 12,888,652,435.42
  5. Step 5: Solve for x
    x = 12,888,652,435.42/125,441.58
  6. Step 6: Final answer
    x = 102,746.26

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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.