Home / 92,541.40-138,617.70-50,939.80

Finding the Fourth Proportional to 92,541.40, 138,617.70 and 50,939.80

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Solution

The fourth proportional to 92,541.40, 138,617.70 and 50,939.80 is: 76,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,541.40 : 138,617.70 = 50,939.80 : x
  2. Step 2: Convert to fraction form
    92,541.40/138,617.70 = 50,939.80/x
  3. Step 3: Cross multiply
    92,541.40x = 138,617.70 × 50,939.80
  4. Step 4: Simplify right side
    92,541.40x = 7,061,157,914.46
  5. Step 5: Solve for x
    x = 7,061,157,914.46/92,541.40
  6. Step 6: Final answer
    x = 76,302.69

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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.