Home / 79,962.12-110,338.20-45,971.28

Finding the Fourth Proportional to 79,962.12, 110,338.20 and 45,971.28

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Solution

The fourth proportional to 79,962.12, 110,338.20 and 45,971.28 is: 63,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,962.12 : 110,338.20 = 45,971.28 : x
  2. Step 2: Convert to fraction form
    79,962.12/110,338.20 = 45,971.28/x
  3. Step 3: Cross multiply
    79,962.12x = 110,338.20 × 45,971.28
  4. Step 4: Simplify right side
    79,962.12x = 5,072,388,286.90
  5. Step 5: Solve for x
    x = 5,072,388,286.90/79,962.12
  6. Step 6: Final answer
    x = 63,434.89

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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.