Home / 75,447.36-113,196.96-28,707.12

Finding the Fourth Proportional to 75,447.36, 113,196.96 and 28,707.12

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Solution

The fourth proportional to 75,447.36, 113,196.96 and 28,707.12 is: 43,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.36 : 113,196.96 = 28,707.12 : x
  2. Step 2: Convert to fraction form
    75,447.36/113,196.96 = 28,707.12/x
  3. Step 3: Cross multiply
    75,447.36x = 113,196.96 × 28,707.12
  4. Step 4: Simplify right side
    75,447.36x = 3,249,558,714.36
  5. Step 5: Solve for x
    x = 3,249,558,714.36/75,447.36
  6. Step 6: Final answer
    x = 43,070.54

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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.