Home / 79,914.32-119,840.32-29,967.20

Finding the Fourth Proportional to 79,914.32, 119,840.32 and 29,967.20

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Solution

The fourth proportional to 79,914.32, 119,840.32 and 29,967.20 is: 44,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,914.32 : 119,840.32 = 29,967.20 : x
  2. Step 2: Convert to fraction form
    79,914.32/119,840.32 = 29,967.20/x
  3. Step 3: Cross multiply
    79,914.32x = 119,840.32 × 29,967.20
  4. Step 4: Simplify right side
    79,914.32x = 3,591,278,837.50
  5. Step 5: Solve for x
    x = 3,591,278,837.50/79,914.32
  6. Step 6: Final answer
    x = 44,939.12

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1.5x scale

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.