Home / 55,772.20-83,658.30-52,054.30

Finding the Fourth Proportional to 55,772.20, 83,658.30 and 52,054.30

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Solution

The fourth proportional to 55,772.20, 83,658.30 and 52,054.30 is: 78,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.20 : 83,658.30 = 52,054.30 : x
  2. Step 2: Convert to fraction form
    55,772.20/83,658.30 = 52,054.30/x
  3. Step 3: Cross multiply
    55,772.20x = 83,658.30 × 52,054.30
  4. Step 4: Simplify right side
    55,772.20x = 4,354,774,245.69
  5. Step 5: Solve for x
    x = 4,354,774,245.69/55,772.20
  6. Step 6: Final answer
    x = 78,081.45

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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.