Home / 54,880.96-75,737.20-31,007.12

Finding the Fourth Proportional to 54,880.96, 75,737.20 and 31,007.12

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Solution

The fourth proportional to 54,880.96, 75,737.20 and 31,007.12 is: 42,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.96 : 75,737.20 = 31,007.12 : x
  2. Step 2: Convert to fraction form
    54,880.96/75,737.20 = 31,007.12/x
  3. Step 3: Cross multiply
    54,880.96x = 75,737.20 × 31,007.12
  4. Step 4: Simplify right side
    54,880.96x = 2,348,392,560.69
  5. Step 5: Solve for x
    x = 2,348,392,560.69/54,880.96
  6. Step 6: Final answer
    x = 42,790.66

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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.