Home / 52,779.76-79,170.18-13,336.92

Finding the Fourth Proportional to 52,779.76, 79,170.18 and 13,336.92

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Solution

The fourth proportional to 52,779.76, 79,170.18 and 13,336.92 is: 20,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.76 : 79,170.18 = 13,336.92 : x
  2. Step 2: Convert to fraction form
    52,779.76/79,170.18 = 13,336.92/x
  3. Step 3: Cross multiply
    52,779.76x = 79,170.18 × 13,336.92
  4. Step 4: Simplify right side
    52,779.76x = 1,055,886,357.05
  5. Step 5: Solve for x
    x = 1,055,886,357.05/52,779.76
  6. Step 6: Final answer
    x = 20,005.52

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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.