Home / 52,579.96-78,882.39-15,139.13

Finding the Fourth Proportional to 52,579.96, 78,882.39 and 15,139.13

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Solution

The fourth proportional to 52,579.96, 78,882.39 and 15,139.13 is: 22,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.96 : 78,882.39 = 15,139.13 : x
  2. Step 2: Convert to fraction form
    52,579.96/78,882.39 = 15,139.13/x
  3. Step 3: Cross multiply
    52,579.96x = 78,882.39 × 15,139.13
  4. Step 4: Simplify right side
    52,579.96x = 1,194,210,362.51
  5. Step 5: Solve for x
    x = 1,194,210,362.51/52,579.96
  6. Step 6: Final answer
    x = 22,712.27

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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.