Home / 113,766.53-157,029.03-66,035.25

Finding the Fourth Proportional to 113,766.53, 157,029.03 and 66,035.25

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Solution

The fourth proportional to 113,766.53, 157,029.03 and 66,035.25 is: 91,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,766.53 : 157,029.03 = 66,035.25 : x
  2. Step 2: Convert to fraction form
    113,766.53/157,029.03 = 66,035.25/x
  3. Step 3: Cross multiply
    113,766.53x = 157,029.03 × 66,035.25
  4. Step 4: Simplify right side
    113,766.53x = 10,369,451,253.31
  5. Step 5: Solve for x
    x = 10,369,451,253.31/113,766.53
  6. Step 6: Final answer
    x = 91,146.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.