Home / 92,365.47-138,547.40-29,185.61

Finding the Fourth Proportional to 92,365.47, 138,547.40 and 29,185.61

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Solution

The fourth proportional to 92,365.47, 138,547.40 and 29,185.61 is: 43,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,365.47 : 138,547.40 = 29,185.61 : x
  2. Step 2: Convert to fraction form
    92,365.47/138,547.40 = 29,185.61/x
  3. Step 3: Cross multiply
    92,365.47x = 138,547.40 × 29,185.61
  4. Step 4: Simplify right side
    92,365.47x = 4,043,589,544.25
  5. Step 5: Solve for x
    x = 4,043,589,544.25/92,365.47
  6. Step 6: Final answer
    x = 43,778.15

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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.