Home / 92,511.60-138,629.16-50,901.36

Finding the Fourth Proportional to 92,511.60, 138,629.16 and 50,901.36

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Solution

The fourth proportional to 92,511.60, 138,629.16 and 50,901.36 is: 76,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,511.60 : 138,629.16 = 50,901.36 : x
  2. Step 2: Convert to fraction form
    92,511.60/138,629.16 = 50,901.36/x
  3. Step 3: Cross multiply
    92,511.60x = 138,629.16 × 50,901.36
  4. Step 4: Simplify right side
    92,511.60x = 7,056,412,779.66
  5. Step 5: Solve for x
    x = 7,056,412,779.66/92,511.60
  6. Step 6: Final answer
    x = 76,275.98

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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.