Home / 55,505.10-76,599.11-31,631.16

Finding the Fourth Proportional to 55,505.10, 76,599.11 and 31,631.16

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Solution

The fourth proportional to 55,505.10, 76,599.11 and 31,631.16 is: 43,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,505.10 : 76,599.11 = 31,631.16 : x
  2. Step 2: Convert to fraction form
    55,505.10/76,599.11 = 31,631.16/x
  3. Step 3: Cross multiply
    55,505.10x = 76,599.11 × 31,631.16
  4. Step 4: Simplify right side
    55,505.10x = 2,422,918,704.27
  5. Step 5: Solve for x
    x = 2,422,918,704.27/55,505.10
  6. Step 6: Final answer
    x = 43,652.18

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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.