Home / 52,591.20-78,886.80-49,999.20

Finding the Fourth Proportional to 52,591.20, 78,886.80 and 49,999.20

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Solution

The fourth proportional to 52,591.20, 78,886.80 and 49,999.20 is: 74,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,591.20 : 78,886.80 = 49,999.20 : x
  2. Step 2: Convert to fraction form
    52,591.20/78,886.80 = 49,999.20/x
  3. Step 3: Cross multiply
    52,591.20x = 78,886.80 × 49,999.20
  4. Step 4: Simplify right side
    52,591.20x = 3,944,276,890.56
  5. Step 5: Solve for x
    x = 3,944,276,890.56/52,591.20
  6. Step 6: Final answer
    x = 74,998.80

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1.5x scale

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.