Home / 79,424.02-109,624.98-49,191.22

Finding the Fourth Proportional to 79,424.02, 109,624.98 and 49,191.22

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Solution

The fourth proportional to 79,424.02, 109,624.98 and 49,191.22 is: 67,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,424.02 : 109,624.98 = 49,191.22 : x
  2. Step 2: Convert to fraction form
    79,424.02/109,624.98 = 49,191.22/x
  3. Step 3: Cross multiply
    79,424.02x = 109,624.98 × 49,191.22
  4. Step 4: Simplify right side
    79,424.02x = 5,392,586,508.68
  5. Step 5: Solve for x
    x = 5,392,586,508.68/79,424.02
  6. Step 6: Final answer
    x = 67,896.17

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1.5x scale

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.