Home / 89,935.14-124,109.81-49,648.95

Finding the Fourth Proportional to 89,935.14, 124,109.81 and 49,648.95

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Solution

The fourth proportional to 89,935.14, 124,109.81 and 49,648.95 is: 68,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.14 : 124,109.81 = 49,648.95 : x
  2. Step 2: Convert to fraction form
    89,935.14/124,109.81 = 49,648.95/x
  3. Step 3: Cross multiply
    89,935.14x = 124,109.81 × 49,648.95
  4. Step 4: Simplify right side
    89,935.14x = 6,161,921,751.20
  5. Step 5: Solve for x
    x = 6,161,921,751.20/89,935.14
  6. Step 6: Final answer
    x = 68,515.17

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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.