Home / 79,305.32-109,431.22-45,316.01

Finding the Fourth Proportional to 79,305.32, 109,431.22 and 45,316.01

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Solution

The fourth proportional to 79,305.32, 109,431.22 and 45,316.01 is: 62,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,305.32 : 109,431.22 = 45,316.01 : x
  2. Step 2: Convert to fraction form
    79,305.32/109,431.22 = 45,316.01/x
  3. Step 3: Cross multiply
    79,305.32x = 109,431.22 × 45,316.01
  4. Step 4: Simplify right side
    79,305.32x = 4,958,986,259.83
  5. Step 5: Solve for x
    x = 4,958,986,259.83/79,305.32
  6. Step 6: Final answer
    x = 62,530.31

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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.