Home / 55,778.72-76,946.11-35,614.40

Finding the Fourth Proportional to 55,778.72, 76,946.11 and 35,614.40

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Solution

The fourth proportional to 55,778.72, 76,946.11 and 35,614.40 is: 49,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.72 : 76,946.11 = 35,614.40 : x
  2. Step 2: Convert to fraction form
    55,778.72/76,946.11 = 35,614.40/x
  3. Step 3: Cross multiply
    55,778.72x = 76,946.11 × 35,614.40
  4. Step 4: Simplify right side
    55,778.72x = 2,740,389,066.22
  5. Step 5: Solve for x
    x = 2,740,389,066.22/55,778.72
  6. Step 6: Final answer
    x = 49,129.66

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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.