Home / 70,261.13-105,433.21-25,919.02

Finding the Fourth Proportional to 70,261.13, 105,433.21 and 25,919.02

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Solution

The fourth proportional to 70,261.13, 105,433.21 and 25,919.02 is: 38,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,261.13 : 105,433.21 = 25,919.02 : x
  2. Step 2: Convert to fraction form
    70,261.13/105,433.21 = 25,919.02/x
  3. Step 3: Cross multiply
    70,261.13x = 105,433.21 × 25,919.02
  4. Step 4: Simplify right side
    70,261.13x = 2,732,725,642.84
  5. Step 5: Solve for x
    x = 2,732,725,642.84/70,261.13
  6. Step 6: Final answer
    x = 38,893.85

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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.