Home / 55,555.35-83,220.03-38,708.16

Finding the Fourth Proportional to 55,555.35, 83,220.03 and 38,708.16

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Solution

The fourth proportional to 55,555.35, 83,220.03 and 38,708.16 is: 57,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.35 : 83,220.03 = 38,708.16 : x
  2. Step 2: Convert to fraction form
    55,555.35/83,220.03 = 38,708.16/x
  3. Step 3: Cross multiply
    55,555.35x = 83,220.03 × 38,708.16
  4. Step 4: Simplify right side
    55,555.35x = 3,221,294,236.44
  5. Step 5: Solve for x
    x = 3,221,294,236.44/55,555.35
  6. Step 6: Final answer
    x = 57,983.51

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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.