Home / 53,459.82-80,136.90-25,330.41

Finding the Fourth Proportional to 53,459.82, 80,136.90 and 25,330.41

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Solution

The fourth proportional to 53,459.82, 80,136.90 and 25,330.41 is: 37,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,459.82 : 80,136.90 = 25,330.41 : x
  2. Step 2: Convert to fraction form
    53,459.82/80,136.90 = 25,330.41/x
  3. Step 3: Cross multiply
    53,459.82x = 80,136.90 × 25,330.41
  4. Step 4: Simplify right side
    53,459.82x = 2,029,900,533.13
  5. Step 5: Solve for x
    x = 2,029,900,533.13/53,459.82
  6. Step 6: Final answer
    x = 37,970.58

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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.