Home / 70,984.28-106,445.25-26,579.90

Finding the Fourth Proportional to 70,984.28, 106,445.25 and 26,579.90

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Solution

The fourth proportional to 70,984.28, 106,445.25 and 26,579.90 is: 39,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,984.28 : 106,445.25 = 26,579.90 : x
  2. Step 2: Convert to fraction form
    70,984.28/106,445.25 = 26,579.90/x
  3. Step 3: Cross multiply
    70,984.28x = 106,445.25 × 26,579.90
  4. Step 4: Simplify right side
    70,984.28x = 2,829,303,568.25
  5. Step 5: Solve for x
    x = 2,829,303,568.25/70,984.28
  6. Step 6: Final answer
    x = 39,858.17

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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.