Home / 80,779.34-111,485.97-46,337.54

Finding the Fourth Proportional to 80,779.34, 111,485.97 and 46,337.54

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Solution

The fourth proportional to 80,779.34, 111,485.97 and 46,337.54 is: 63,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779.34 : 111,485.97 = 46,337.54 : x
  2. Step 2: Convert to fraction form
    80,779.34/111,485.97 = 46,337.54/x
  3. Step 3: Cross multiply
    80,779.34x = 111,485.97 × 46,337.54
  4. Step 4: Simplify right side
    80,779.34x = 5,165,985,036.88
  5. Step 5: Solve for x
    x = 5,165,985,036.88/80,779.34
  6. Step 6: Final answer
    x = 63,951.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.