Home / 89,918.04-124,086.23-49,631.79

Finding the Fourth Proportional to 89,918.04, 124,086.23 and 49,631.79

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Solution

The fourth proportional to 89,918.04, 124,086.23 and 49,631.79 is: 68,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.04 : 124,086.23 = 49,631.79 : x
  2. Step 2: Convert to fraction form
    89,918.04/124,086.23 = 49,631.79/x
  3. Step 3: Cross multiply
    89,918.04x = 124,086.23 × 49,631.79
  4. Step 4: Simplify right side
    89,918.04x = 6,158,621,461.09
  5. Step 5: Solve for x
    x = 6,158,621,461.09/89,918.04
  6. Step 6: Final answer
    x = 68,491.50

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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.