Home / 55,417.18-83,137.45-17,974.34

Finding the Fourth Proportional to 55,417.18, 83,137.45 and 17,974.34

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Solution

The fourth proportional to 55,417.18, 83,137.45 and 17,974.34 is: 26,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.18 : 83,137.45 = 17,974.34 : x
  2. Step 2: Convert to fraction form
    55,417.18/83,137.45 = 17,974.34/x
  3. Step 3: Cross multiply
    55,417.18x = 83,137.45 × 17,974.34
  4. Step 4: Simplify right side
    55,417.18x = 1,494,340,728.43
  5. Step 5: Solve for x
    x = 1,494,340,728.43/55,417.18
  6. Step 6: Final answer
    x = 26,965.30

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1.5x scale

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.