Home / 45,769.16-63,190.80-31,424.37

Finding the Fourth Proportional to 45,769.16, 63,190.80 and 31,424.37

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Solution

The fourth proportional to 45,769.16, 63,190.80 and 31,424.37 is: 43,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.16 : 63,190.80 = 31,424.37 : x
  2. Step 2: Convert to fraction form
    45,769.16/63,190.80 = 31,424.37/x
  3. Step 3: Cross multiply
    45,769.16x = 63,190.80 × 31,424.37
  4. Step 4: Simplify right side
    45,769.16x = 1,985,731,079.80
  5. Step 5: Solve for x
    x = 1,985,731,079.80/45,769.16
  6. Step 6: Final answer
    x = 43,385.79

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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.