Home / 89,368.41-123,330.65-49,085.95

Finding the Fourth Proportional to 89,368.41, 123,330.65 and 49,085.95

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Solution

The fourth proportional to 89,368.41, 123,330.65 and 49,085.95 is: 67,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,368.41 : 123,330.65 = 49,085.95 : x
  2. Step 2: Convert to fraction form
    89,368.41/123,330.65 = 49,085.95/x
  3. Step 3: Cross multiply
    89,368.41x = 123,330.65 × 49,085.95
  4. Step 4: Simplify right side
    89,368.41x = 6,053,802,072.96
  5. Step 5: Solve for x
    x = 6,053,802,072.96/89,368.41
  6. Step 6: Final answer
    x = 67,739.84

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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.