Home / 77,051.54-115,577.79-23,742.86

Finding the Fourth Proportional to 77,051.54, 115,577.79 and 23,742.86

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Solution

The fourth proportional to 77,051.54, 115,577.79 and 23,742.86 is: 35,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,051.54 : 115,577.79 = 23,742.86 : x
  2. Step 2: Convert to fraction form
    77,051.54/115,577.79 = 23,742.86/x
  3. Step 3: Cross multiply
    77,051.54x = 115,577.79 × 23,742.86
  4. Step 4: Simplify right side
    77,051.54x = 2,744,147,287.08
  5. Step 5: Solve for x
    x = 2,744,147,287.08/77,051.54
  6. Step 6: Final answer
    x = 35,614.44

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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.