Home / 89,564.04-122,797.34-87,964.76

Finding the Fourth Proportional to 89,564.04, 122,797.34 and 87,964.76

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Solution

The fourth proportional to 89,564.04, 122,797.34 and 87,964.76 is: 120,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,564.04 : 122,797.34 = 87,964.76 : x
  2. Step 2: Convert to fraction form
    89,564.04/122,797.34 = 87,964.76/x
  3. Step 3: Cross multiply
    89,564.04x = 122,797.34 × 87,964.76
  4. Step 4: Simplify right side
    89,564.04x = 10,801,838,541.74
  5. Step 5: Solve for x
    x = 10,801,838,541.74/89,564.04
  6. Step 6: Final answer
    x = 120,604.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.