Home / 55,685.93-76,847.10-30,192.23

Finding the Fourth Proportional to 55,685.93, 76,847.10 and 30,192.23

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Solution

The fourth proportional to 55,685.93, 76,847.10 and 30,192.23 is: 41,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.93 : 76,847.10 = 30,192.23 : x
  2. Step 2: Convert to fraction form
    55,685.93/76,847.10 = 30,192.23/x
  3. Step 3: Cross multiply
    55,685.93x = 76,847.10 × 30,192.23
  4. Step 4: Simplify right side
    55,685.93x = 2,320,184,933.80
  5. Step 5: Solve for x
    x = 2,320,184,933.80/55,685.93
  6. Step 6: Final answer
    x = 41,665.55

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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.