Home / 55,048.95-75,965.01-31,175.80

Finding the Fourth Proportional to 55,048.95, 75,965.01 and 31,175.80

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Solution

The fourth proportional to 55,048.95, 75,965.01 and 31,175.80 is: 43,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.95 : 75,965.01 = 31,175.80 : x
  2. Step 2: Convert to fraction form
    55,048.95/75,965.01 = 31,175.80/x
  3. Step 3: Cross multiply
    55,048.95x = 75,965.01 × 31,175.80
  4. Step 4: Simplify right side
    55,048.95x = 2,368,270,079.24
  5. Step 5: Solve for x
    x = 2,368,270,079.24/55,048.95
  6. Step 6: Final answer
    x = 43,021.17

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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.