Home / 79,284.13-109,415.40-43,475.51

Finding the Fourth Proportional to 79,284.13, 109,415.40 and 43,475.51

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Solution

The fourth proportional to 79,284.13, 109,415.40 and 43,475.51 is: 59,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284.13 : 109,415.40 = 43,475.51 : x
  2. Step 2: Convert to fraction form
    79,284.13/109,415.40 = 43,475.51/x
  3. Step 3: Cross multiply
    79,284.13x = 109,415.40 × 43,475.51
  4. Step 4: Simplify right side
    79,284.13x = 4,756,890,316.85
  5. Step 5: Solve for x
    x = 4,756,890,316.85/79,284.13
  6. Step 6: Final answer
    x = 59,998.01

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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.