Home / 57,094.86-78,791.03-31,602.96

Finding the Fourth Proportional to 57,094.86, 78,791.03 and 31,602.96

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Solution

The fourth proportional to 57,094.86, 78,791.03 and 31,602.96 is: 43,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094.86 : 78,791.03 = 31,602.96 : x
  2. Step 2: Convert to fraction form
    57,094.86/78,791.03 = 31,602.96/x
  3. Step 3: Cross multiply
    57,094.86x = 78,791.03 × 31,602.96
  4. Step 4: Simplify right side
    57,094.86x = 2,490,029,769.45
  5. Step 5: Solve for x
    x = 2,490,029,769.45/57,094.86
  6. Step 6: Final answer
    x = 43,612.15

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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.