Home / 75,051.36-112,577.04-30,093.12

Finding the Fourth Proportional to 75,051.36, 112,577.04 and 30,093.12

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Solution

The fourth proportional to 75,051.36, 112,577.04 and 30,093.12 is: 45,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,051.36 : 112,577.04 = 30,093.12 : x
  2. Step 2: Convert to fraction form
    75,051.36/112,577.04 = 30,093.12/x
  3. Step 3: Cross multiply
    75,051.36x = 112,577.04 × 30,093.12
  4. Step 4: Simplify right side
    75,051.36x = 3,387,794,373.96
  5. Step 5: Solve for x
    x = 3,387,794,373.96/75,051.36
  6. Step 6: Final answer
    x = 45,139.68

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Similar ratio
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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.