Home / 79,785.35-119,681.06-29,860.19

Finding the Fourth Proportional to 79,785.35, 119,681.06 and 29,860.19

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Solution

The fourth proportional to 79,785.35, 119,681.06 and 29,860.19 is: 44,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785.35 : 119,681.06 = 29,860.19 : x
  2. Step 2: Convert to fraction form
    79,785.35/119,681.06 = 29,860.19/x
  3. Step 3: Cross multiply
    79,785.35x = 119,681.06 × 29,860.19
  4. Step 4: Simplify right side
    79,785.35x = 3,573,698,443.30
  5. Step 5: Solve for x
    x = 3,573,698,443.30/79,785.35
  6. Step 6: Final answer
    x = 44,791.41

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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.