Home / 57,905.18-79,897.79-36,382.45

Finding the Fourth Proportional to 57,905.18, 79,897.79 and 36,382.45

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Solution

The fourth proportional to 57,905.18, 79,897.79 and 36,382.45 is: 50,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,905.18 : 79,897.79 = 36,382.45 : x
  2. Step 2: Convert to fraction form
    57,905.18/79,897.79 = 36,382.45/x
  3. Step 3: Cross multiply
    57,905.18x = 79,897.79 × 36,382.45
  4. Step 4: Simplify right side
    57,905.18x = 2,906,877,468.86
  5. Step 5: Solve for x
    x = 2,906,877,468.86/57,905.18
  6. Step 6: Final answer
    x = 50,200.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.