Home / 79,299.37-109,436.29-43,490.69

Finding the Fourth Proportional to 79,299.37, 109,436.29 and 43,490.69

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Solution

The fourth proportional to 79,299.37, 109,436.29 and 43,490.69 is: 60,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299.37 : 109,436.29 = 43,490.69 : x
  2. Step 2: Convert to fraction form
    79,299.37/109,436.29 = 43,490.69/x
  3. Step 3: Cross multiply
    79,299.37x = 109,436.29 × 43,490.69
  4. Step 4: Simplify right side
    79,299.37x = 4,759,459,763.14
  5. Step 5: Solve for x
    x = 4,759,459,763.14/79,299.37
  6. Step 6: Final answer
    x = 60,018.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.