Home / 79,346.44-109,528.58-53,864.20

Finding the Fourth Proportional to 79,346.44, 109,528.58 and 53,864.20

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Solution

The fourth proportional to 79,346.44, 109,528.58 and 53,864.20 is: 74,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.44 : 109,528.58 = 53,864.20 : x
  2. Step 2: Convert to fraction form
    79,346.44/109,528.58 = 53,864.20/x
  3. Step 3: Cross multiply
    79,346.44x = 109,528.58 × 53,864.20
  4. Step 4: Simplify right side
    79,346.44x = 5,899,669,150.87
  5. Step 5: Solve for x
    x = 5,899,669,150.87/79,346.44
  6. Step 6: Final answer
    x = 74,353.29

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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.