Home / 92,440.95-138,369.83-66,196.95

Finding the Fourth Proportional to 92,440.95, 138,369.83 and 66,196.95

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Solution

The fourth proportional to 92,440.95, 138,369.83 and 66,196.95 is: 99,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,440.95 : 138,369.83 = 66,196.95 : x
  2. Step 2: Convert to fraction form
    92,440.95/138,369.83 = 66,196.95/x
  3. Step 3: Cross multiply
    92,440.95x = 138,369.83 × 66,196.95
  4. Step 4: Simplify right side
    92,440.95x = 9,159,660,387.03
  5. Step 5: Solve for x
    x = 9,159,660,387.03/92,440.95
  6. Step 6: Final answer
    x = 99,086.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.