Home / 89,412.40-123,399.84-53,622.10

Finding the Fourth Proportional to 89,412.40, 123,399.84 and 53,622.10

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Solution

The fourth proportional to 89,412.40, 123,399.84 and 53,622.10 is: 74,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,412.40 : 123,399.84 = 53,622.10 : x
  2. Step 2: Convert to fraction form
    89,412.40/123,399.84 = 53,622.10/x
  3. Step 3: Cross multiply
    89,412.40x = 123,399.84 × 53,622.10
  4. Step 4: Simplify right side
    89,412.40x = 6,616,958,560.46
  5. Step 5: Solve for x
    x = 6,616,958,560.46/89,412.40
  6. Step 6: Final answer
    x = 74,004.93

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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.