Home / 107,654.91-148,636.94-67,384.95

Finding the Fourth Proportional to 107,654.91, 148,636.94 and 67,384.95

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Solution

The fourth proportional to 107,654.91, 148,636.94 and 67,384.95 is: 93,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,654.91 : 148,636.94 = 67,384.95 : x
  2. Step 2: Convert to fraction form
    107,654.91/148,636.94 = 67,384.95/x
  3. Step 3: Cross multiply
    107,654.91x = 148,636.94 × 67,384.95
  4. Step 4: Simplify right side
    107,654.91x = 10,015,892,433.13
  5. Step 5: Solve for x
    x = 10,015,892,433.13/107,654.91
  6. Step 6: Final answer
    x = 93,037.02

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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.