Home / 91,095.53-136,659.68-43,670.43

Finding the Fourth Proportional to 91,095.53, 136,659.68 and 43,670.43

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Solution

The fourth proportional to 91,095.53, 136,659.68 and 43,670.43 is: 65,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,095.53 : 136,659.68 = 43,670.43 : x
  2. Step 2: Convert to fraction form
    91,095.53/136,659.68 = 43,670.43/x
  3. Step 3: Cross multiply
    91,095.53x = 136,659.68 × 43,670.43
  4. Step 4: Simplify right side
    91,095.53x = 5,967,986,770.91
  5. Step 5: Solve for x
    x = 5,967,986,770.91/91,095.53
  6. Step 6: Final answer
    x = 65,513.50

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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.