Home / 92,366.47-138,548.89-29,186.61

Finding the Fourth Proportional to 92,366.47, 138,548.89 and 29,186.61

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Solution

The fourth proportional to 92,366.47, 138,548.89 and 29,186.61 is: 43,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,366.47 : 138,548.89 = 29,186.61 : x
  2. Step 2: Convert to fraction form
    92,366.47/138,548.89 = 29,186.61/x
  3. Step 3: Cross multiply
    92,366.47x = 138,548.89 × 29,186.61
  4. Step 4: Simplify right side
    92,366.47x = 4,043,772,418.36
  5. Step 5: Solve for x
    x = 4,043,772,418.36/92,366.47
  6. Step 6: Final answer
    x = 43,779.66

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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.