Home / 70,435.32-105,656.82-17,845.26

Finding the Fourth Proportional to 70,435.32, 105,656.82 and 17,845.26

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Solution

The fourth proportional to 70,435.32, 105,656.82 and 17,845.26 is: 26,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,435.32 : 105,656.82 = 17,845.26 : x
  2. Step 2: Convert to fraction form
    70,435.32/105,656.82 = 17,845.26/x
  3. Step 3: Cross multiply
    70,435.32x = 105,656.82 × 17,845.26
  4. Step 4: Simplify right side
    70,435.32x = 1,885,473,423.67
  5. Step 5: Solve for x
    x = 1,885,473,423.67/70,435.32
  6. Step 6: Final answer
    x = 26,768.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.