Home / 52,750.32-79,157.76-47,828.64

Finding the Fourth Proportional to 52,750.32, 79,157.76 and 47,828.64

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Solution

The fourth proportional to 52,750.32, 79,157.76 and 47,828.64 is: 71,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.32 : 79,157.76 = 47,828.64 : x
  2. Step 2: Convert to fraction form
    52,750.32/79,157.76 = 47,828.64/x
  3. Step 3: Cross multiply
    52,750.32x = 79,157.76 × 47,828.64
  4. Step 4: Simplify right side
    52,750.32x = 3,786,008,006.25
  5. Step 5: Solve for x
    x = 3,786,008,006.25/52,750.32
  6. Step 6: Final answer
    x = 71,772.23

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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.