Home / 79,412.31-119,133.08-26,107.29

Finding the Fourth Proportional to 79,412.31, 119,133.08 and 26,107.29

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Solution

The fourth proportional to 79,412.31, 119,133.08 and 26,107.29 is: 39,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,412.31 : 119,133.08 = 26,107.29 : x
  2. Step 2: Convert to fraction form
    79,412.31/119,133.08 = 26,107.29/x
  3. Step 3: Cross multiply
    79,412.31x = 119,133.08 × 26,107.29
  4. Step 4: Simplify right side
    79,412.31x = 3,110,241,737.62
  5. Step 5: Solve for x
    x = 3,110,241,737.62/79,412.31
  6. Step 6: Final answer
    x = 39,165.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.