Home / 91,717.81-137,553.63-35,538.64

Finding the Fourth Proportional to 91,717.81, 137,553.63 and 35,538.64

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Solution

The fourth proportional to 91,717.81, 137,553.63 and 35,538.64 is: 53,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,717.81 : 137,553.63 = 35,538.64 : x
  2. Step 2: Convert to fraction form
    91,717.81/137,553.63 = 35,538.64/x
  3. Step 3: Cross multiply
    91,717.81x = 137,553.63 × 35,538.64
  4. Step 4: Simplify right side
    91,717.81x = 4,888,468,937.26
  5. Step 5: Solve for x
    x = 4,888,468,937.26/91,717.81
  6. Step 6: Final answer
    x = 53,299.02

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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.