Home / 55,095.12-76,029.71-31,229.48

Finding the Fourth Proportional to 55,095.12, 76,029.71 and 31,229.48

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Solution

The fourth proportional to 55,095.12, 76,029.71 and 31,229.48 is: 43,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,095.12 : 76,029.71 = 31,229.48 : x
  2. Step 2: Convert to fraction form
    55,095.12/76,029.71 = 31,229.48/x
  3. Step 3: Cross multiply
    55,095.12x = 76,029.71 × 31,229.48
  4. Step 4: Simplify right side
    55,095.12x = 2,374,368,341.78
  5. Step 5: Solve for x
    x = 2,374,368,341.78/55,095.12
  6. Step 6: Final answer
    x = 43,095.80

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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.