Home / 48,779.20-73,168.80-35,657.20

Finding the Fourth Proportional to 48,779.20, 73,168.80 and 35,657.20

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Solution

The fourth proportional to 48,779.20, 73,168.80 and 35,657.20 is: 53,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,779.20 : 73,168.80 = 35,657.20 : x
  2. Step 2: Convert to fraction form
    48,779.20/73,168.80 = 35,657.20/x
  3. Step 3: Cross multiply
    48,779.20x = 73,168.80 × 35,657.20
  4. Step 4: Simplify right side
    48,779.20x = 2,608,994,535.36
  5. Step 5: Solve for x
    x = 2,608,994,535.36/48,779.20
  6. Step 6: Final answer
    x = 53,485.80

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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.