Home / 79,029.29-118,543.79-36,895.25

Finding the Fourth Proportional to 79,029.29, 118,543.79 and 36,895.25

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Solution

The fourth proportional to 79,029.29, 118,543.79 and 36,895.25 is: 55,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,029.29 : 118,543.79 = 36,895.25 : x
  2. Step 2: Convert to fraction form
    79,029.29/118,543.79 = 36,895.25/x
  3. Step 3: Cross multiply
    79,029.29x = 118,543.79 × 36,895.25
  4. Step 4: Simplify right side
    79,029.29x = 4,373,702,768.00
  5. Step 5: Solve for x
    x = 4,373,702,768.00/79,029.29
  6. Step 6: Final answer
    x = 55,342.81

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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.