Home / 89,797.20-134,779.08-45,455.22

Finding the Fourth Proportional to 89,797.20, 134,779.08 and 45,455.22

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Solution

The fourth proportional to 89,797.20, 134,779.08 and 45,455.22 is: 68,224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,797.20 : 134,779.08 = 45,455.22 : x
  2. Step 2: Convert to fraction form
    89,797.20/134,779.08 = 45,455.22/x
  3. Step 3: Cross multiply
    89,797.20x = 134,779.08 × 45,455.22
  4. Step 4: Simplify right side
    89,797.20x = 6,126,412,732.80
  5. Step 5: Solve for x
    x = 6,126,412,732.80/89,797.20
  6. Step 6: Final answer
    x = 68,224.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.