Home / 92,589.24-138,901.14-30,303.48

Finding the Fourth Proportional to 92,589.24, 138,901.14 and 30,303.48

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Solution

The fourth proportional to 92,589.24, 138,901.14 and 30,303.48 is: 45,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,589.24 : 138,901.14 = 30,303.48 : x
  2. Step 2: Convert to fraction form
    92,589.24/138,901.14 = 30,303.48/x
  3. Step 3: Cross multiply
    92,589.24x = 138,901.14 × 30,303.48
  4. Step 4: Simplify right side
    92,589.24x = 4,209,187,917.97
  5. Step 5: Solve for x
    x = 4,209,187,917.97/92,589.24
  6. Step 6: Final answer
    x = 45,460.88

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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.