Home / 83,829.47-115,682.36-46,103.72

Finding the Fourth Proportional to 83,829.47, 115,682.36 and 46,103.72

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Solution

The fourth proportional to 83,829.47, 115,682.36 and 46,103.72 is: 63,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,829.47 : 115,682.36 = 46,103.72 : x
  2. Step 2: Convert to fraction form
    83,829.47/115,682.36 = 46,103.72/x
  3. Step 3: Cross multiply
    83,829.47x = 115,682.36 × 46,103.72
  4. Step 4: Simplify right side
    83,829.47x = 5,333,386,325.45
  5. Step 5: Solve for x
    x = 5,333,386,325.45/83,829.47
  6. Step 6: Final answer
    x = 63,621.86

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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.