Home / 52,378.92-78,566.27-12,935.03

Finding the Fourth Proportional to 52,378.92, 78,566.27 and 12,935.03

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Solution

The fourth proportional to 52,378.92, 78,566.27 and 12,935.03 is: 19,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.92 : 78,566.27 = 12,935.03 : x
  2. Step 2: Convert to fraction form
    52,378.92/78,566.27 = 12,935.03/x
  3. Step 3: Cross multiply
    52,378.92x = 78,566.27 × 12,935.03
  4. Step 4: Simplify right side
    52,378.92x = 1,016,256,601.93
  5. Step 5: Solve for x
    x = 1,016,256,601.93/52,378.92
  6. Step 6: Final answer
    x = 19,402.02

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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.