Home / 55,417.34-83,137.70-17,974.51

Finding the Fourth Proportional to 55,417.34, 83,137.70 and 17,974.51

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Solution

The fourth proportional to 55,417.34, 83,137.70 and 17,974.51 is: 26,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.34 : 83,137.70 = 17,974.51 : x
  2. Step 2: Convert to fraction form
    55,417.34/83,137.70 = 17,974.51/x
  3. Step 3: Cross multiply
    55,417.34x = 83,137.70 × 17,974.51
  4. Step 4: Simplify right side
    55,417.34x = 1,494,359,282.40
  5. Step 5: Solve for x
    x = 1,494,359,282.40/55,417.34
  6. Step 6: Final answer
    x = 26,965.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.