Home / 91,436.64-137,172.48-32,265.60

Finding the Fourth Proportional to 91,436.64, 137,172.48 and 32,265.60

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Solution

The fourth proportional to 91,436.64, 137,172.48 and 32,265.60 is: 48,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,436.64 : 137,172.48 = 32,265.60 : x
  2. Step 2: Convert to fraction form
    91,436.64/137,172.48 = 32,265.60/x
  3. Step 3: Cross multiply
    91,436.64x = 137,172.48 × 32,265.60
  4. Step 4: Simplify right side
    91,436.64x = 4,425,952,370.69
  5. Step 5: Solve for x
    x = 4,425,952,370.69/91,436.64
  6. Step 6: Final answer
    x = 48,404.58

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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.