Home / 55,455.10-76,541.80-31,595.96

Finding the Fourth Proportional to 55,455.10, 76,541.80 and 31,595.96

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Solution

The fourth proportional to 55,455.10, 76,541.80 and 31,595.96 is: 43,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.10 : 76,541.80 = 31,595.96 : x
  2. Step 2: Convert to fraction form
    55,455.10/76,541.80 = 31,595.96/x
  3. Step 3: Cross multiply
    55,455.10x = 76,541.80 × 31,595.96
  4. Step 4: Simplify right side
    55,455.10x = 2,418,411,651.13
  5. Step 5: Solve for x
    x = 2,418,411,651.13/55,455.10
  6. Step 6: Final answer
    x = 43,610.27

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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.