Home / 79,776.23-110,089.53-43,965.32

Finding the Fourth Proportional to 79,776.23, 110,089.53 and 43,965.32

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Solution

The fourth proportional to 79,776.23, 110,089.53 and 43,965.32 is: 60,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.23 : 110,089.53 = 43,965.32 : x
  2. Step 2: Convert to fraction form
    79,776.23/110,089.53 = 43,965.32/x
  3. Step 3: Cross multiply
    79,776.23x = 110,089.53 × 43,965.32
  4. Step 4: Simplify right side
    79,776.23x = 4,840,121,415.10
  5. Step 5: Solve for x
    x = 4,840,121,415.10/79,776.23
  6. Step 6: Final answer
    x = 60,671.22

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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.