Home / 55,667.04-76,825.36-30,521.44

Finding the Fourth Proportional to 55,667.04, 76,825.36 and 30,521.44

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Solution

The fourth proportional to 55,667.04, 76,825.36 and 30,521.44 is: 42,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,667.04 : 76,825.36 = 30,521.44 : x
  2. Step 2: Convert to fraction form
    55,667.04/76,825.36 = 30,521.44/x
  3. Step 3: Cross multiply
    55,667.04x = 76,825.36 × 30,521.44
  4. Step 4: Simplify right side
    55,667.04x = 2,344,820,615.72
  5. Step 5: Solve for x
    x = 2,344,820,615.72/55,667.04
  6. Step 6: Final answer
    x = 42,122.24

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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.