Home / 68,091.52-93,956.16-38,277.76

Finding the Fourth Proportional to 68,091.52, 93,956.16 and 38,277.76

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Solution

The fourth proportional to 68,091.52, 93,956.16 and 38,277.76 is: 52,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.52 : 93,956.16 = 38,277.76 : x
  2. Step 2: Convert to fraction form
    68,091.52/93,956.16 = 38,277.76/x
  3. Step 3: Cross multiply
    68,091.52x = 93,956.16 × 38,277.76
  4. Step 4: Simplify right side
    68,091.52x = 3,596,431,343.00
  5. Step 5: Solve for x
    x = 3,596,431,343.00/68,091.52
  6. Step 6: Final answer
    x = 52,817.61

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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.