Home / 84,829.73-117,031.47-49,013.15

Finding the Fourth Proportional to 84,829.73, 117,031.47 and 49,013.15

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Solution

The fourth proportional to 84,829.73, 117,031.47 and 49,013.15 is: 67,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,829.73 : 117,031.47 = 49,013.15 : x
  2. Step 2: Convert to fraction form
    84,829.73/117,031.47 = 49,013.15/x
  3. Step 3: Cross multiply
    84,829.73x = 117,031.47 × 49,013.15
  4. Step 4: Simplify right side
    84,829.73x = 5,736,080,823.78
  5. Step 5: Solve for x
    x = 5,736,080,823.78/84,829.73
  6. Step 6: Final answer
    x = 67,618.76

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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.