Home / 54,703.74-75,490.10-30,829.92

Finding the Fourth Proportional to 54,703.74, 75,490.10 and 30,829.92

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Solution

The fourth proportional to 54,703.74, 75,490.10 and 30,829.92 is: 42,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,703.74 : 75,490.10 = 30,829.92 : x
  2. Step 2: Convert to fraction form
    54,703.74/75,490.10 = 30,829.92/x
  3. Step 3: Cross multiply
    54,703.74x = 75,490.10 × 30,829.92
  4. Step 4: Simplify right side
    54,703.74x = 2,327,353,743.79
  5. Step 5: Solve for x
    x = 2,327,353,743.79/54,703.74
  6. Step 6: Final answer
    x = 42,544.69

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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.