Home / 55,973.23-77,242.21-30,822.73

Finding the Fourth Proportional to 55,973.23, 77,242.21 and 30,822.73

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Solution

The fourth proportional to 55,973.23, 77,242.21 and 30,822.73 is: 42,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,973.23 : 77,242.21 = 30,822.73 : x
  2. Step 2: Convert to fraction form
    55,973.23/77,242.21 = 30,822.73/x
  3. Step 3: Cross multiply
    55,973.23x = 77,242.21 × 30,822.73
  4. Step 4: Simplify right side
    55,973.23x = 2,380,815,513.27
  5. Step 5: Solve for x
    x = 2,380,815,513.27/55,973.23
  6. Step 6: Final answer
    x = 42,534.90

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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.