Home / 55,821.93-76,991.85-38,622.93

Finding the Fourth Proportional to 55,821.93, 76,991.85 and 38,622.93

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Solution

The fourth proportional to 55,821.93, 76,991.85 and 38,622.93 is: 53,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,821.93 : 76,991.85 = 38,622.93 : x
  2. Step 2: Convert to fraction form
    55,821.93/76,991.85 = 38,622.93/x
  3. Step 3: Cross multiply
    55,821.93x = 76,991.85 × 38,622.93
  4. Step 4: Simplify right side
    55,821.93x = 2,973,650,833.12
  5. Step 5: Solve for x
    x = 2,973,650,833.12/55,821.93
  6. Step 6: Final answer
    x = 53,270.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.