Home / 92,308.09-138,449.83-25,742.64

Finding the Fourth Proportional to 92,308.09, 138,449.83 and 25,742.64

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Solution

The fourth proportional to 92,308.09, 138,449.83 and 25,742.64 is: 38,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.09 : 138,449.83 = 25,742.64 : x
  2. Step 2: Convert to fraction form
    92,308.09/138,449.83 = 25,742.64/x
  3. Step 3: Cross multiply
    92,308.09x = 138,449.83 × 25,742.64
  4. Step 4: Simplify right side
    92,308.09x = 3,564,064,019.13
  5. Step 5: Solve for x
    x = 3,564,064,019.13/92,308.09
  6. Step 6: Final answer
    x = 38,610.53

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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.