Home / 89,208-123,095.73-48,911.18

Finding the Fourth Proportional to 89,208, 123,095.73 and 48,911.18

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Solution

The fourth proportional to 89,208, 123,095.73 and 48,911.18 is: 67,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208 : 123,095.73 = 48,911.18 : x
  2. Step 2: Convert to fraction form
    89,208/123,095.73 = 48,911.18/x
  3. Step 3: Cross multiply
    89,208x = 123,095.73 × 48,911.18
  4. Step 4: Simplify right side
    89,208x = 6,020,756,975.20
  5. Step 5: Solve for x
    x = 6,020,756,975.20/89,208
  6. Step 6: Final answer
    x = 67,491.22

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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.