Home / 92,619.16-138,914.19-29,430.96

Finding the Fourth Proportional to 92,619.16, 138,914.19 and 29,430.96

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Solution

The fourth proportional to 92,619.16, 138,914.19 and 29,430.96 is: 44,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,619.16 : 138,914.19 = 29,430.96 : x
  2. Step 2: Convert to fraction form
    92,619.16/138,914.19 = 29,430.96/x
  3. Step 3: Cross multiply
    92,619.16x = 138,914.19 × 29,430.96
  4. Step 4: Simplify right side
    92,619.16x = 4,088,378,042.90
  5. Step 5: Solve for x
    x = 4,088,378,042.90/92,619.16
  6. Step 6: Final answer
    x = 44,141.82

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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.