Home / 79,282.28-109,466.96-51,037.18

Finding the Fourth Proportional to 79,282.28, 109,466.96 and 51,037.18

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Solution

The fourth proportional to 79,282.28, 109,466.96 and 51,037.18 is: 70,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.28 : 109,466.96 = 51,037.18 : x
  2. Step 2: Convert to fraction form
    79,282.28/109,466.96 = 51,037.18/x
  3. Step 3: Cross multiply
    79,282.28x = 109,466.96 × 51,037.18
  4. Step 4: Simplify right side
    79,282.28x = 5,586,884,139.05
  5. Step 5: Solve for x
    x = 5,586,884,139.05/79,282.28
  6. Step 6: Final answer
    x = 70,468.26

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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.