Home / 77,827.20-116,739.60-52,805.04

Finding the Fourth Proportional to 77,827.20, 116,739.60 and 52,805.04

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Solution

The fourth proportional to 77,827.20, 116,739.60 and 52,805.04 is: 79,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,827.20 : 116,739.60 = 52,805.04 : x
  2. Step 2: Convert to fraction form
    77,827.20/116,739.60 = 52,805.04/x
  3. Step 3: Cross multiply
    77,827.20x = 116,739.60 × 52,805.04
  4. Step 4: Simplify right side
    77,827.20x = 6,164,439,247.58
  5. Step 5: Solve for x
    x = 6,164,439,247.58/77,827.20
  6. Step 6: Final answer
    x = 79,206.75

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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.