Home / 54,872.29-82,222.58-42,423.00

Finding the Fourth Proportional to 54,872.29, 82,222.58 and 42,423.00

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Solution

The fourth proportional to 54,872.29, 82,222.58 and 42,423.00 is: 63,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.29 : 82,222.58 = 42,423.00 : x
  2. Step 2: Convert to fraction form
    54,872.29/82,222.58 = 42,423.00/x
  3. Step 3: Cross multiply
    54,872.29x = 82,222.58 × 42,423.00
  4. Step 4: Simplify right side
    54,872.29x = 3,488,127,888.11
  5. Step 5: Solve for x
    x = 3,488,127,888.11/54,872.29
  6. Step 6: Final answer
    x = 63,568.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.