Home / 51,199.28-70,646.42-28,533.30

Finding the Fourth Proportional to 51,199.28, 70,646.42 and 28,533.30

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Solution

The fourth proportional to 51,199.28, 70,646.42 and 28,533.30 is: 39,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.28 : 70,646.42 = 28,533.30 : x
  2. Step 2: Convert to fraction form
    51,199.28/70,646.42 = 28,533.30/x
  3. Step 3: Cross multiply
    51,199.28x = 70,646.42 × 28,533.30
  4. Step 4: Simplify right side
    51,199.28x = 2,015,775,353.12
  5. Step 5: Solve for x
    x = 2,015,775,353.12/51,199.28
  6. Step 6: Final answer
    x = 39,371.17

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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.