Home / 55,451.16-76,522.53-30,300.66

Finding the Fourth Proportional to 55,451.16, 76,522.53 and 30,300.66

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Solution

The fourth proportional to 55,451.16, 76,522.53 and 30,300.66 is: 41,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.16 : 76,522.53 = 30,300.66 : x
  2. Step 2: Convert to fraction form
    55,451.16/76,522.53 = 30,300.66/x
  3. Step 3: Cross multiply
    55,451.16x = 76,522.53 × 30,300.66
  4. Step 4: Simplify right side
    55,451.16x = 2,318,683,163.87
  5. Step 5: Solve for x
    x = 2,318,683,163.87/55,451.16
  6. Step 6: Final answer
    x = 41,814.87

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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.