Home / 81,301.22-112,189.56-45,484.64

Finding the Fourth Proportional to 81,301.22, 112,189.56 and 45,484.64

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Solution

The fourth proportional to 81,301.22, 112,189.56 and 45,484.64 is: 62,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,301.22 : 112,189.56 = 45,484.64 : x
  2. Step 2: Convert to fraction form
    81,301.22/112,189.56 = 45,484.64/x
  3. Step 3: Cross multiply
    81,301.22x = 112,189.56 × 45,484.64
  4. Step 4: Simplify right side
    81,301.22x = 5,102,901,748.36
  5. Step 5: Solve for x
    x = 5,102,901,748.36/81,301.22
  6. Step 6: Final answer
    x = 62,765.38

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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.