Home / 89,184.78-123,071.70-48,897.66

Finding the Fourth Proportional to 89,184.78, 123,071.70 and 48,897.66

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Solution

The fourth proportional to 89,184.78, 123,071.70 and 48,897.66 is: 67,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,184.78 : 123,071.70 = 48,897.66 : x
  2. Step 2: Convert to fraction form
    89,184.78/123,071.70 = 48,897.66/x
  3. Step 3: Cross multiply
    89,184.78x = 123,071.70 × 48,897.66
  4. Step 4: Simplify right side
    89,184.78x = 6,017,918,142.22
  5. Step 5: Solve for x
    x = 6,017,918,142.22/89,184.78
  6. Step 6: Final answer
    x = 67,476.96

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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.