Home / 55,630.72-76,744.66-49,263.80

Finding the Fourth Proportional to 55,630.72, 76,744.66 and 49,263.80

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Solution

The fourth proportional to 55,630.72, 76,744.66 and 49,263.80 is: 67,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.72 : 76,744.66 = 49,263.80 : x
  2. Step 2: Convert to fraction form
    55,630.72/76,744.66 = 49,263.80/x
  3. Step 3: Cross multiply
    55,630.72x = 76,744.66 × 49,263.80
  4. Step 4: Simplify right side
    55,630.72x = 3,780,733,581.31
  5. Step 5: Solve for x
    x = 3,780,733,581.31/55,630.72
  6. Step 6: Final answer
    x = 67,961.26

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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.