Home / 54,898.66-75,760.29-30,700.48

Finding the Fourth Proportional to 54,898.66, 75,760.29 and 30,700.48

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Solution

The fourth proportional to 54,898.66, 75,760.29 and 30,700.48 is: 42,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.66 : 75,760.29 = 30,700.48 : x
  2. Step 2: Convert to fraction form
    54,898.66/75,760.29 = 30,700.48/x
  3. Step 3: Cross multiply
    54,898.66x = 75,760.29 × 30,700.48
  4. Step 4: Simplify right side
    54,898.66x = 2,325,877,267.94
  5. Step 5: Solve for x
    x = 2,325,877,267.94/54,898.66
  6. Step 6: Final answer
    x = 42,366.74

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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.