Home / 68,569.38-94,587.66-39,885.84

Finding the Fourth Proportional to 68,569.38, 94,587.66 and 39,885.84

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Solution

The fourth proportional to 68,569.38, 94,587.66 and 39,885.84 is: 55,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,569.38 : 94,587.66 = 39,885.84 : x
  2. Step 2: Convert to fraction form
    68,569.38/94,587.66 = 39,885.84/x
  3. Step 3: Cross multiply
    68,569.38x = 94,587.66 × 39,885.84
  4. Step 4: Simplify right side
    68,569.38x = 3,772,708,272.73
  5. Step 5: Solve for x
    x = 3,772,708,272.73/68,569.38
  6. Step 6: Final answer
    x = 55,020.31

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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.