Home / 62,542.08-93,827.16-20,988

Finding the Fourth Proportional to 62,542.08, 93,827.16 and 20,988

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Solution

The fourth proportional to 62,542.08, 93,827.16 and 20,988 is: 31,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,542.08 : 93,827.16 = 20,988 : x
  2. Step 2: Convert to fraction form
    62,542.08/93,827.16 = 20,988/x
  3. Step 3: Cross multiply
    62,542.08x = 93,827.16 × 20,988
  4. Step 4: Simplify right side
    62,542.08x = 1,969,244,434.08
  5. Step 5: Solve for x
    x = 1,969,244,434.08/62,542.08
  6. Step 6: Final answer
    x = 31,486.71

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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.