Home / 54,829.98-75,663.72-30,955.23

Finding the Fourth Proportional to 54,829.98, 75,663.72 and 30,955.23

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Solution

The fourth proportional to 54,829.98, 75,663.72 and 30,955.23 is: 42,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.98 : 75,663.72 = 30,955.23 : x
  2. Step 2: Convert to fraction form
    54,829.98/75,663.72 = 30,955.23/x
  3. Step 3: Cross multiply
    54,829.98x = 75,663.72 × 30,955.23
  4. Step 4: Simplify right side
    54,829.98x = 2,342,187,855.26
  5. Step 5: Solve for x
    x = 2,342,187,855.26/54,829.98
  6. Step 6: Final answer
    x = 42,717.28

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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.