Home / 125,674.35-173,404.42-74,705.10

Finding the Fourth Proportional to 125,674.35, 173,404.42 and 74,705.10

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Solution

The fourth proportional to 125,674.35, 173,404.42 and 74,705.10 is: 103,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,674.35 : 173,404.42 = 74,705.10 : x
  2. Step 2: Convert to fraction form
    125,674.35/173,404.42 = 74,705.10/x
  3. Step 3: Cross multiply
    125,674.35x = 173,404.42 × 74,705.10
  4. Step 4: Simplify right side
    125,674.35x = 12,954,194,536.54
  5. Step 5: Solve for x
    x = 12,954,194,536.54/125,674.35
  6. Step 6: Final answer
    x = 103,077.47

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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.