Home / 52,581.56-78,870.84-15,141.80

Finding the Fourth Proportional to 52,581.56, 78,870.84 and 15,141.80

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Solution

The fourth proportional to 52,581.56, 78,870.84 and 15,141.80 is: 22,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.56 : 78,870.84 = 15,141.80 : x
  2. Step 2: Convert to fraction form
    52,581.56/78,870.84 = 15,141.80/x
  3. Step 3: Cross multiply
    52,581.56x = 78,870.84 × 15,141.80
  4. Step 4: Simplify right side
    52,581.56x = 1,194,246,485.11
  5. Step 5: Solve for x
    x = 1,194,246,485.11/52,581.56
  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.