Home / 60,758.20-91,097.70-54,537.40

Finding the Fourth Proportional to 60,758.20, 91,097.70 and 54,537.40

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Solution

The fourth proportional to 60,758.20, 91,097.70 and 54,537.40 is: 81,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,758.20 : 91,097.70 = 54,537.40 : x
  2. Step 2: Convert to fraction form
    60,758.20/91,097.70 = 54,537.40/x
  3. Step 3: Cross multiply
    60,758.20x = 91,097.70 × 54,537.40
  4. Step 4: Simplify right side
    60,758.20x = 4,968,231,703.98
  5. Step 5: Solve for x
    x = 4,968,231,703.98/60,758.20
  6. Step 6: Final answer
    x = 81,770.55

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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.