Home / 55,242.66-76,235.76-31,369.98

Finding the Fourth Proportional to 55,242.66, 76,235.76 and 31,369.98

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Solution

The fourth proportional to 55,242.66, 76,235.76 and 31,369.98 is: 43,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.66 : 76,235.76 = 31,369.98 : x
  2. Step 2: Convert to fraction form
    55,242.66/76,235.76 = 31,369.98/x
  3. Step 3: Cross multiply
    55,242.66x = 76,235.76 × 31,369.98
  4. Step 4: Simplify right side
    55,242.66x = 2,391,514,266.48
  5. Step 5: Solve for x
    x = 2,391,514,266.48/55,242.66
  6. Step 6: Final answer
    x = 43,291.08

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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.