Home / 89,657.24-123,722.04-49,369.40

Finding the Fourth Proportional to 89,657.24, 123,722.04 and 49,369.40

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Solution

The fourth proportional to 89,657.24, 123,722.04 and 49,369.40 is: 68,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.24 : 123,722.04 = 49,369.40 : x
  2. Step 2: Convert to fraction form
    89,657.24/123,722.04 = 49,369.40/x
  3. Step 3: Cross multiply
    89,657.24x = 123,722.04 × 49,369.40
  4. Step 4: Simplify right side
    89,657.24x = 6,108,082,881.58
  5. Step 5: Solve for x
    x = 6,108,082,881.58/89,657.24
  6. Step 6: Final answer
    x = 68,127.05

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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.