Home / 56,918.46-78,540.23-31,769.02

Finding the Fourth Proportional to 56,918.46, 78,540.23 and 31,769.02

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Solution

The fourth proportional to 56,918.46, 78,540.23 and 31,769.02 is: 43,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.46 : 78,540.23 = 31,769.02 : x
  2. Step 2: Convert to fraction form
    56,918.46/78,540.23 = 31,769.02/x
  3. Step 3: Cross multiply
    56,918.46x = 78,540.23 × 31,769.02
  4. Step 4: Simplify right side
    56,918.46x = 2,495,146,137.67
  5. Step 5: Solve for x
    x = 2,495,146,137.67/56,918.46
  6. Step 6: Final answer
    x = 43,837.20

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