Home / 84,779.08-127,168.54-22,449.64

Finding the Fourth Proportional to 84,779.08, 127,168.54 and 22,449.64

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Solution

The fourth proportional to 84,779.08, 127,168.54 and 22,449.64 is: 33,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,779.08 : 127,168.54 = 22,449.64 : x
  2. Step 2: Convert to fraction form
    84,779.08/127,168.54 = 22,449.64/x
  3. Step 3: Cross multiply
    84,779.08x = 127,168.54 × 22,449.64
  4. Step 4: Simplify right side
    84,779.08x = 2,854,887,942.33
  5. Step 5: Solve for x
    x = 2,854,887,942.33/84,779.08
  6. Step 6: Final answer
    x = 33,674.44

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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.