Home / 55,360.45-76,375.38-34,102.81

Finding the Fourth Proportional to 55,360.45, 76,375.38 and 34,102.81

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Solution

The fourth proportional to 55,360.45, 76,375.38 and 34,102.81 is: 47,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.45 : 76,375.38 = 34,102.81 : x
  2. Step 2: Convert to fraction form
    55,360.45/76,375.38 = 34,102.81/x
  3. Step 3: Cross multiply
    55,360.45x = 76,375.38 × 34,102.81
  4. Step 4: Simplify right side
    55,360.45x = 2,604,615,072.82
  5. Step 5: Solve for x
    x = 2,604,615,072.82/55,360.45
  6. Step 6: Final answer
    x = 47,048.30

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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.