Home / 70,625.32-105,938.15-17,317.53

Finding the Fourth Proportional to 70,625.32, 105,938.15 and 17,317.53

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Solution

The fourth proportional to 70,625.32, 105,938.15 and 17,317.53 is: 25,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.32 : 105,938.15 = 17,317.53 : x
  2. Step 2: Convert to fraction form
    70,625.32/105,938.15 = 17,317.53/x
  3. Step 3: Cross multiply
    70,625.32x = 105,938.15 × 17,317.53
  4. Step 4: Simplify right side
    70,625.32x = 1,834,587,004.18
  5. Step 5: Solve for x
    x = 1,834,587,004.18/70,625.32
  6. Step 6: Final answer
    x = 25,976.34

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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.