Home / 79,622.90-109,867.05-45,624.85

Finding the Fourth Proportional to 79,622.90, 109,867.05 and 45,624.85

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Solution

The fourth proportional to 79,622.90, 109,867.05 and 45,624.85 is: 62,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,622.90 : 109,867.05 = 45,624.85 : x
  2. Step 2: Convert to fraction form
    79,622.90/109,867.05 = 45,624.85/x
  3. Step 3: Cross multiply
    79,622.90x = 109,867.05 × 45,624.85
  4. Step 4: Simplify right side
    79,622.90x = 5,012,667,676.19
  5. Step 5: Solve for x
    x = 5,012,667,676.19/79,622.90
  6. Step 6: Final answer
    x = 62,955.10

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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.