Home / 84,875.12-117,118.68-49,059.44

Finding the Fourth Proportional to 84,875.12, 117,118.68 and 49,059.44

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Solution

The fourth proportional to 84,875.12, 117,118.68 and 49,059.44 is: 67,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,875.12 : 117,118.68 = 49,059.44 : x
  2. Step 2: Convert to fraction form
    84,875.12/117,118.68 = 49,059.44/x
  3. Step 3: Cross multiply
    84,875.12x = 117,118.68 × 49,059.44
  4. Step 4: Simplify right side
    84,875.12x = 5,745,776,854.34
  5. Step 5: Solve for x
    x = 5,745,776,854.34/84,875.12
  6. Step 6: Final answer
    x = 67,696.83

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1.5x scale

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.