Home / 70,867.50-106,314.32-29,317.74

Finding the Fourth Proportional to 70,867.50, 106,314.32 and 29,317.74

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Solution

The fourth proportional to 70,867.50, 106,314.32 and 29,317.74 is: 43,982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,867.50 : 106,314.32 = 29,317.74 : x
  2. Step 2: Convert to fraction form
    70,867.50/106,314.32 = 29,317.74/x
  3. Step 3: Cross multiply
    70,867.50x = 106,314.32 × 29,317.74
  4. Step 4: Simplify right side
    70,867.50x = 3,116,895,592.04
  5. Step 5: Solve for x
    x = 3,116,895,592.04/70,867.50
  6. Step 6: Final answer
    x = 43,982.02

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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.