Home / 52,479.56-78,704.94-31,403.01

Finding the Fourth Proportional to 52,479.56, 78,704.94 and 31,403.01

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Solution

The fourth proportional to 52,479.56, 78,704.94 and 31,403.01 is: 47,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.56 : 78,704.94 = 31,403.01 : x
  2. Step 2: Convert to fraction form
    52,479.56/78,704.94 = 31,403.01/x
  3. Step 3: Cross multiply
    52,479.56x = 78,704.94 × 31,403.01
  4. Step 4: Simplify right side
    52,479.56x = 2,471,572,017.87
  5. Step 5: Solve for x
    x = 2,471,572,017.87/52,479.56
  6. Step 6: Final answer
    x = 47,095.90

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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.