Home / 68,854.19-95,013.18-38,635.31

Finding the Fourth Proportional to 68,854.19, 95,013.18 and 38,635.31

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Solution

The fourth proportional to 68,854.19, 95,013.18 and 38,635.31 is: 53,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,854.19 : 95,013.18 = 38,635.31 : x
  2. Step 2: Convert to fraction form
    68,854.19/95,013.18 = 38,635.31/x
  3. Step 3: Cross multiply
    68,854.19x = 95,013.18 × 38,635.31
  4. Step 4: Simplify right side
    68,854.19x = 3,670,863,188.32
  5. Step 5: Solve for x
    x = 3,670,863,188.32/68,854.19
  6. Step 6: Final answer
    x = 53,313.58

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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.