Home / 55,705.57-83,611.40-34,581.68

Finding the Fourth Proportional to 55,705.57, 83,611.40 and 34,581.68

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Solution

The fourth proportional to 55,705.57, 83,611.40 and 34,581.68 is: 51,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,705.57 : 83,611.40 = 34,581.68 : x
  2. Step 2: Convert to fraction form
    55,705.57/83,611.40 = 34,581.68/x
  3. Step 3: Cross multiply
    55,705.57x = 83,611.40 × 34,581.68
  4. Step 4: Simplify right side
    55,705.57x = 2,891,422,347.55
  5. Step 5: Solve for x
    x = 2,891,422,347.55/55,705.57
  6. Step 6: Final answer
    x = 51,905.45

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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.