Home / 79,622.12-109,865.97-45,624.06

Finding the Fourth Proportional to 79,622.12, 109,865.97 and 45,624.06

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Solution

The fourth proportional to 79,622.12, 109,865.97 and 45,624.06 is: 62,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,622.12 : 109,865.97 = 45,624.06 : x
  2. Step 2: Convert to fraction form
    79,622.12/109,865.97 = 45,624.06/x
  3. Step 3: Cross multiply
    79,622.12x = 109,865.97 × 45,624.06
  4. Step 4: Simplify right side
    79,622.12x = 5,012,531,607.24
  5. Step 5: Solve for x
    x = 5,012,531,607.24/79,622.12
  6. Step 6: Final answer
    x = 62,954.01

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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.