Home / 107,945.02-161,915.10-48,764.80

Finding the Fourth Proportional to 107,945.02, 161,915.10 and 48,764.80

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Solution

The fourth proportional to 107,945.02, 161,915.10 and 48,764.80 is: 73,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,945.02 : 161,915.10 = 48,764.80 : x
  2. Step 2: Convert to fraction form
    107,945.02/161,915.10 = 48,764.80/x
  3. Step 3: Cross multiply
    107,945.02x = 161,915.10 × 48,764.80
  4. Step 4: Simplify right side
    107,945.02x = 7,895,757,468.48
  5. Step 5: Solve for x
    x = 7,895,757,468.48/107,945.02
  6. Step 6: Final answer
    x = 73,146.10

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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.