Home / 79,770.36-110,083.53-45,776.14

Finding the Fourth Proportional to 79,770.36, 110,083.53 and 45,776.14

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Solution

The fourth proportional to 79,770.36, 110,083.53 and 45,776.14 is: 63,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,770.36 : 110,083.53 = 45,776.14 : x
  2. Step 2: Convert to fraction form
    79,770.36/110,083.53 = 45,776.14/x
  3. Step 3: Cross multiply
    79,770.36x = 110,083.53 × 45,776.14
  4. Step 4: Simplify right side
    79,770.36x = 5,039,199,080.97
  5. Step 5: Solve for x
    x = 5,039,199,080.97/79,770.36
  6. Step 6: Final answer
    x = 63,171.32

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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.