Home / 55,055.43-75,942.23-45,833.45

Finding the Fourth Proportional to 55,055.43, 75,942.23 and 45,833.45

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Solution

The fourth proportional to 55,055.43, 75,942.23 and 45,833.45 is: 63,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.43 : 75,942.23 = 45,833.45 : x
  2. Step 2: Convert to fraction form
    55,055.43/75,942.23 = 45,833.45/x
  3. Step 3: Cross multiply
    55,055.43x = 75,942.23 × 45,833.45
  4. Step 4: Simplify right side
    55,055.43x = 3,480,693,792.72
  5. Step 5: Solve for x
    x = 3,480,693,792.72/55,055.43
  6. Step 6: Final answer
    x = 63,221.63

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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.