Home / 55,905.40-83,858.10-36,206.20

Finding the Fourth Proportional to 55,905.40, 83,858.10 and 36,206.20

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Solution

The fourth proportional to 55,905.40, 83,858.10 and 36,206.20 is: 54,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.40 : 83,858.10 = 36,206.20 : x
  2. Step 2: Convert to fraction form
    55,905.40/83,858.10 = 36,206.20/x
  3. Step 3: Cross multiply
    55,905.40x = 83,858.10 × 36,206.20
  4. Step 4: Simplify right side
    55,905.40x = 3,036,183,140.22
  5. Step 5: Solve for x
    x = 3,036,183,140.22/55,905.40
  6. Step 6: Final answer
    x = 54,309.30

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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.