Home / 89,328.60-123,272.91-49,042.98

Finding the Fourth Proportional to 89,328.60, 123,272.91 and 49,042.98

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Solution

The fourth proportional to 89,328.60, 123,272.91 and 49,042.98 is: 67,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,328.60 : 123,272.91 = 49,042.98 : x
  2. Step 2: Convert to fraction form
    89,328.60/123,272.91 = 49,042.98/x
  3. Step 3: Cross multiply
    89,328.60x = 123,272.91 × 49,042.98
  4. Step 4: Simplify right side
    89,328.60x = 6,045,670,859.67
  5. Step 5: Solve for x
    x = 6,045,670,859.67/89,328.60
  6. Step 6: Final answer
    x = 67,679.01

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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.