Home / 77,742.14-116,584.65-27,808.70

Finding the Fourth Proportional to 77,742.14, 116,584.65 and 27,808.70

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Solution

The fourth proportional to 77,742.14, 116,584.65 and 27,808.70 is: 41,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,742.14 : 116,584.65 = 27,808.70 : x
  2. Step 2: Convert to fraction form
    77,742.14/116,584.65 = 27,808.70/x
  3. Step 3: Cross multiply
    77,742.14x = 116,584.65 × 27,808.70
  4. Step 4: Simplify right side
    77,742.14x = 3,242,066,973.53
  5. Step 5: Solve for x
    x = 3,242,066,973.53/77,742.14
  6. Step 6: Final answer
    x = 41,702.83

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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.