Home / 91,173.76-136,709.34-62,744.11

Finding the Fourth Proportional to 91,173.76, 136,709.34 and 62,744.11

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Solution

The fourth proportional to 91,173.76, 136,709.34 and 62,744.11 is: 94,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,173.76 : 136,709.34 = 62,744.11 : x
  2. Step 2: Convert to fraction form
    91,173.76/136,709.34 = 62,744.11/x
  3. Step 3: Cross multiply
    91,173.76x = 136,709.34 × 62,744.11
  4. Step 4: Simplify right side
    91,173.76x = 8,577,705,866.99
  5. Step 5: Solve for x
    x = 8,577,705,866.99/91,173.76
  6. Step 6: Final answer
    x = 94,080.86

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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.