Home / 79,776.29-119,685.20-29,860.31

Finding the Fourth Proportional to 79,776.29, 119,685.20 and 29,860.31

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Solution

The fourth proportional to 79,776.29, 119,685.20 and 29,860.31 is: 44,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.29 : 119,685.20 = 29,860.31 : x
  2. Step 2: Convert to fraction form
    79,776.29/119,685.20 = 29,860.31/x
  3. Step 3: Cross multiply
    79,776.29x = 119,685.20 × 29,860.31
  4. Step 4: Simplify right side
    79,776.29x = 3,573,837,324.32
  5. Step 5: Solve for x
    x = 3,573,837,324.32/79,776.29
  6. Step 6: Final answer
    x = 44,798.24

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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.