Home / 68,087.91-93,961.31-38,279.91

Finding the Fourth Proportional to 68,087.91, 93,961.31 and 38,279.91

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Solution

The fourth proportional to 68,087.91, 93,961.31 and 38,279.91 is: 52,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.91 : 93,961.31 = 38,279.91 : x
  2. Step 2: Convert to fraction form
    68,087.91/93,961.31 = 38,279.91/x
  3. Step 3: Cross multiply
    68,087.91x = 93,961.31 × 38,279.91
  4. Step 4: Simplify right side
    68,087.91x = 3,596,830,298.88
  5. Step 5: Solve for x
    x = 3,596,830,298.88/68,087.91
  6. Step 6: Final answer
    x = 52,826.27

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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.