Home / 89,271.28-123,195.48-48,984.31

Finding the Fourth Proportional to 89,271.28, 123,195.48 and 48,984.31

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Solution

The fourth proportional to 89,271.28, 123,195.48 and 48,984.31 is: 67,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,271.28 : 123,195.48 = 48,984.31 : x
  2. Step 2: Convert to fraction form
    89,271.28/123,195.48 = 48,984.31/x
  3. Step 3: Cross multiply
    89,271.28x = 123,195.48 × 48,984.31
  4. Step 4: Simplify right side
    89,271.28x = 6,034,645,582.92
  5. Step 5: Solve for x
    x = 6,034,645,582.92/89,271.28
  6. Step 6: Final answer
    x = 67,598.96

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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.