Home / 55,073.03-76,001.31-31,199.19

Finding the Fourth Proportional to 55,073.03, 76,001.31 and 31,199.19

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Solution

The fourth proportional to 55,073.03, 76,001.31 and 31,199.19 is: 43,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073.03 : 76,001.31 = 31,199.19 : x
  2. Step 2: Convert to fraction form
    55,073.03/76,001.31 = 31,199.19/x
  3. Step 3: Cross multiply
    55,073.03x = 76,001.31 × 31,199.19
  4. Step 4: Simplify right side
    55,073.03x = 2,371,179,310.94
  5. Step 5: Solve for x
    x = 2,371,179,310.94/55,073.03
  6. Step 6: Final answer
    x = 43,055.19

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1.5x scale

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.