Home / 52,595.92-78,709.20-45,288.51

Finding the Fourth Proportional to 52,595.92, 78,709.20 and 45,288.51

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Solution

The fourth proportional to 52,595.92, 78,709.20 and 45,288.51 is: 67,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,595.92 : 78,709.20 = 45,288.51 : x
  2. Step 2: Convert to fraction form
    52,595.92/78,709.20 = 45,288.51/x
  3. Step 3: Cross multiply
    52,595.92x = 78,709.20 × 45,288.51
  4. Step 4: Simplify right side
    52,595.92x = 3,564,622,391.29
  5. Step 5: Solve for x
    x = 3,564,622,391.29/52,595.92
  6. Step 6: Final answer
    x = 67,773.74

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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.