Home / 77,741.80-116,670.30-57,005.80

Finding the Fourth Proportional to 77,741.80, 116,670.30 and 57,005.80

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Solution

The fourth proportional to 77,741.80, 116,670.30 and 57,005.80 is: 85,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,741.80 : 116,670.30 = 57,005.80 : x
  2. Step 2: Convert to fraction form
    77,741.80/116,670.30 = 57,005.80/x
  3. Step 3: Cross multiply
    77,741.80x = 116,670.30 × 57,005.80
  4. Step 4: Simplify right side
    77,741.80x = 6,650,883,787.74
  5. Step 5: Solve for x
    x = 6,650,883,787.74/77,741.80
  6. Step 6: Final answer
    x = 85,550.94

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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.