Home / 55,043.69-75,960.29-31,174.98

Finding the Fourth Proportional to 55,043.69, 75,960.29 and 31,174.98

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Solution

The fourth proportional to 55,043.69, 75,960.29 and 31,174.98 is: 43,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043.69 : 75,960.29 = 31,174.98 : x
  2. Step 2: Convert to fraction form
    55,043.69/75,960.29 = 31,174.98/x
  3. Step 3: Cross multiply
    55,043.69x = 75,960.29 × 31,174.98
  4. Step 4: Simplify right side
    55,043.69x = 2,368,060,599.48
  5. Step 5: Solve for x
    x = 2,368,060,599.48/55,043.69
  6. Step 6: Final answer
    x = 43,021.47

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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.