Home / 54,838.06-75,676.53-30,966.28

Finding the Fourth Proportional to 54,838.06, 75,676.53 and 30,966.28

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Solution

The fourth proportional to 54,838.06, 75,676.53 and 30,966.28 is: 42,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838.06 : 75,676.53 = 30,966.28 : x
  2. Step 2: Convert to fraction form
    54,838.06/75,676.53 = 30,966.28/x
  3. Step 3: Cross multiply
    54,838.06x = 75,676.53 × 30,966.28
  4. Step 4: Simplify right side
    54,838.06x = 2,343,420,617.41
  5. Step 5: Solve for x
    x = 2,343,420,617.41/54,838.06
  6. Step 6: Final answer
    x = 42,733.47

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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.