Home / 92,046.74-138,071.81-28,865.45

Finding the Fourth Proportional to 92,046.74, 138,071.81 and 28,865.45

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Solution

The fourth proportional to 92,046.74, 138,071.81 and 28,865.45 is: 43,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,046.74 : 138,071.81 = 28,865.45 : x
  2. Step 2: Convert to fraction form
    92,046.74/138,071.81 = 28,865.45/x
  3. Step 3: Cross multiply
    92,046.74x = 138,071.81 × 28,865.45
  4. Step 4: Simplify right side
    92,046.74x = 3,985,505,345.31
  5. Step 5: Solve for x
    x = 3,985,505,345.31/92,046.74
  6. Step 6: Final answer
    x = 43,298.71

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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.